[User]
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How many Noble Gases are on the Periodic Table?
Choice list: A. 11
B. 7
C. 0
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which group of elements are Noble Gases?
Choice list: A. 6A
B. 1A
C. 8A
D. 7A
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many groups does the periodic table have?
Choice list: A. 19
B. 17
C. 16
D. 18
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the symbol for Iron?
Choice list: A. Pt
B. I
C. Ir
D. Fe
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is an example of a noble gas?
Choice list: A. Li
B. Ne
C. H
D. Cl
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which of the following periodic table elements are halogens?
Choice list: A. Ag
B. Cl
C. Fe
D. Ar
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many elements are in the Group 1 of the periodic table (excluding hydrogen)?
Choice list: A. 8
B. 7
C. 6
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many lanthanides are there?
Choice list: A. 14
B. 15
C. 17
D. 16
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What element in the periodic table represents Chromium?
Choice list: A. Cr
B. Cs
C. As
D. Li
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which element is a metalloid?
Choice list: A. Helium
B. Hydrogen
C. Arsenic
D. Lithium
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is an example of a nonmetal element?
Choice list: A. Cr
B. Ba
C. O
D. H
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which of the following periodic table elements are metalloids?
Choice list: A. Rb
B. Kr
C. Ge
D. Ga
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many elements have one electron?
Choice list: A. 45
B. 5
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many groups does the periodic table have?
Choice list: A. 18
B. 14
C. 12
D. 16
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the atomic number of fluorine?
Choice list: A. 6
B. 8
C. 7
D. 9
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the element with atomic number 47?
Choice list: A. Silver
B. Mercury
C. Gold
D. Helium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which among the following has atomic mass greater than 'Cs' but less than 'Hf'?
Choice list: A. Re
B. Ag
C. Ba
D. Xe
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many elements are in the first column?
Choice list: A. 8
B. 3
C. 7
D. 20
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is the weight of one molecule of salt NaCl?
Choice list: A. 48.7
B. 36.2
C. 65.5
D. 58.4
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the symbol of Lithium in the periodic table of elements?
Choice list: A. Li
B. H
C. Lh
D. Ni
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What element has 18 protons?
Choice list: A. Flourine
B. Krypton
C. Neon
D. Argon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which element is found in the fifth period and sixth group?
Choice list: A. Na - Sodium
B. Mo - Molydenium
C. Te - Tellurium
D. Ta - Tantalum
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many periods are in the Mendelevees table of the elements?
Choice list: A. 7
B. 18
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many groups does the periodic table have?
Choice list: A. 16
B. 7
C. 18
D. 111
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is the atomic number of Iron?
Choice list: A. 26
B. 16
C. 45
D. 39
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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In what group do Actinoids belong?
Choice list: A. Nonmetals
B. Other Nonmetals
C. Metals
D. Noble Gases
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is an example of an alkali metal?
Choice list: A. Li
B. P
C. S
D. Ne
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which of the following periodic table elements are noble gases?
Choice list: A. Na
B. F
C. He
D. Mg
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many Alkali metals are there?
Choice list: A. 7
B. 6
C. 8
D. 9
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many elements are classified as alkaline earth metals?
Choice list: A. 15
B. 13
C. 6
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is the atomic number of fluor?
Choice list: A. 11
B. 9
C. 8
D. 10
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many elements are there?
Choice list: A. One hundred three
B. One hundred two
C. One hundred sixteen
D. Seventy one
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is the 3rd element in the periodic table?
Choice list: A. Lithium
B. Magnesium
C. Beryllium
D. Helium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many elements have been discovered so far?
Choice list: A. 103
B. 116
C. 71
D. 115
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which is a noble gas?
Choice list: A. Hydrogen
B. Chlor
C. Nitrogen
D. Helium
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Identify which column refers to the Alkali metals.
Choice list: A. VB
B. IB
C. IA
D. IIA
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What element has an atomic number of 47?
Choice list: A. Silver
B. Gold
C. Carbon
D. Helium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Considering the periodic trend of electronegativity, which of the following elements has the most electronegative property?
Choice list: A. bromine
B. oxygen
C. helium
D. nitrogen
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which of the following periodic table elements are halogens?
Choice list: A. Br
B. Se
C. Kr
D. Ka
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many elements belong to the Noble Gases Group?
Choice list: A. 37
B. 8
C. 7
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many groups are shown in the periodic table below?
Choice list: A. 16
B. 12
C. 10
D. 14
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the symbol of Arsenic in the periodic table of elements?
Choice list: A. As
B. Ar
C. S
D. Ai
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the atomic number of fluorine (F)?
Choice list: A. 9
B. 7
C. 6
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which of the following elements is a halogen?
Choice list: A. Boron
B. Hydrogen
C. Oxygen
D. Chlorine
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which among the following is not an Actinoid?
Choice list: A. Na
B. Th
C. Pa
D. Ac
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many periods are there in the periodic table of elements?
Choice list: A. 4
B. 7
C. 5
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Will any of elements be affected if some elements are removed from the periodic table?
Choice list: A. Yes
B. No
C. Some elements only
D. Cannot determine
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the symbol for Hydrogen?
Choice list: A. Hy
B. He
C. Hd
D. H
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which is the second element?
Choice list: A. hydrogen
B. sodium
C. helium
D. lithium
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which of the following periodic table elements are noble gases?
Choice list: A. Be
B. Cl
C. Ne
D. Pd
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many elements are in the leftmost column of the table?
Choice list: A. 6
B. 5
C. 8
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many elements are on the last row of the periodic table?
Choice list: A. 15
B. 20
C. 16
D. 14
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the atomic number of fluorine?
Choice list: A. 8
B. 7
C. 6
D. 9
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the atomic number of fluorine?
Choice list: A. 8
B. 7
C. 9
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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The alkali metals are members of which group of the periodic table?
Choice list: A. 18
B. 2
C. 17
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which of the following periodic table elements are noble gases?
Choice list: A. Ar
B. Fe
C. P
D. H
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which one of these elements is NOT in group 18?
Choice list: A. Argon
B. Neon
C. Carbon
D. Krypton
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many groups are shown in the periodic table below?
Choice list: A. 15
B. 5
C. 7
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many groups of elements are present in the Periodic Table?
Choice list: A. 25
B. 18
C. 11
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which element is tetravalent?
Choice list: A. Oxygen
B. Carbon
C. Boron
D. Nitrogen
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which element has an atomic number of 11?
Choice list: A. Magnesium
B. Iron
C. Helium
D. Sodium
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What does Fe stand for?
Choice list: A. nitrogen
B. iron
C. sodium
D. hydrogen
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What element has atomic number of 2?
Choice list: A. Boron
B. Helium
C. Hydrogen
D. Carbon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What element has the lowest atomic weight?
Choice list: A. Iron (Fe)
B. Boron (B)
C. Hydrogen (H)
D. Xenon (Xe)
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What element is an example of a halogen?
Choice list: A. As
B. H
C. Br
D. Ne
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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From the diagram, how many noble gases are there?
Choice list: A. 7
B. 8
C. 6
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many nonmetals are there in the periodic table?
Choice list: A. 25
B. 18
C. 7
D. 45
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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If a few elements are removed from the periodic table, will it affect all the other elements or some elements?
Choice list: A. Some
B. All
C. Cannot answer
D. It won't affect any elements
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the atomic number of fluorine?
Choice list: A. 8
B. 6
C. 7
D. 9
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Identify the Nonmetal from the following.
Choice list: A. Zn
B. He.
C. Ga
D. B
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What does N stand for?
Choice list: A. hydrogen
B. nitrogen
C. magnesium
D. sodium
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which element is after Be in the periodic table?
Choice list: A. Carbon
B. H
C. Boron
D. Lithium
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which noble gas has the least number of protons?
Choice list: A. Hydrogen
B. Krypton
C. Nitrogen
D. Argon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many elements does lanthanide series have?
Choice list: A. 18
B. 10
C. 12
D. 15
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the 44th element in the periodic table of elements?
Choice list: A. rubidium
B. ruthenium
C. rutherfordium
D. rodium
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What is the name of the element with 76 protons?
Choice list: A. Osmium
B. Mercury
C. Radium
D. Strontium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the element with the lowest atomic mass?
Choice list: A. Oxygen
B. Lithium
C. Hydrogen
D. Titanium
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is the symbol of Oxygen in the periodic table of elements?
Choice list: A. E
B. X
C. C
D. O
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which among the following is a liquid?
Choice list: A. Titanium
B. Sodium
C. Calcium
D. Bromine
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which of the following elements is a liquid?
Choice list: A. Lithium
B. Mercury
C. Carbon
D. Hydrogen
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many elements are in Group 2 of the periodic table?
Choice list: A. 8
B. 5
C. 7
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many noble gases are there?
Choice list: A. 5
B. 8
C. 6
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the symbol for Beryllium?
Choice list: A. Be
B. Mg
C. Bl
D. B
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Mendeleev organized the elements based on their
Choice list: A. atomic number.
B. number of protons.
C. atomic mass.
D. number of neutrons.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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In the modern periodic table, atomic number
Choice list: A. increases from top to bottom within each period.
B. increases from left to right within each group.
C. is the same within each group but not between groups.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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The shortest period in the periodic table is period
Choice list: A. 18
B. 7
C. 6
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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All but one of the elements on the left side of the periodic table are
Choice list: A. metalloids.
B. liquids.
C. metals.
D. gases.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which statement is true about any group in the periodic table?
Choice list: A. It includes metals, metalloids, and nonmetals.
B. It includes elements with similar properties.
C. It includes gases, liquids, and solids.
D. It contains 18 different elements.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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number of protons in an atom
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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row of the periodic table
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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<image>
table based on the atomic number of elements
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
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Mendeleev left spaces in his periodic table for unknown elements.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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how an element is represented in the periodic table
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
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The modern periodic table is the same as Mendeleevs table but with more elements.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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<image>
table based on the atomic mass of elements
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
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column of the periodic table
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The modern periodic table has more than 100 elements.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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<image>
amount of matter in an atom
Choice list: A. group
B. period
C. atomic number
D. atomic mass
E. chemical symbol
F. Mendeleevs periodic table
G. modern periodic table
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Elements called actinides are in period 7 of the periodic table.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Elements in the same period of the periodic table have similar properties.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Mendeleev developed his periodic table in the 1860s.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Mendeleev named the columns of his table periods.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Elements within a group of the periodic table are identical to each other.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
In Mendeleevs table, each period contains 18 elements.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Mendeleevs used his table to predict unknown elements.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The elements Mendeleev predicted were never discovered.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Lanthanide elements are placed in period 2 of the modern periodic table.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
The chemical symbol for lead is Pb.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Most elements in the modern periodic table are metalloids.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Krypton is a gaseous metal in group 18 of the periodic table.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Scientist first started looking for a way to organize the elements in the
Choice list: A. 1700s.
B. late 1800s.
C. early 1900s.
D. 1980s.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many groups are there in Mendeleevs periodic table?
Choice list: A. 18
B. 16
C. 12
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Examples that illustrate the meaning of periodic include
Choice list: A. phases of the moon.
B. day and night.
C. months of the year.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many elements are represented in the modern periodic table?
Choice list: A. fewer than 50
B. exactly 18
C. about 65
D. more than 100
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which of the following could be the chemical symbol of an element?
Choice list: A. SI
B. si
C. Si
D. iS
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Elements on the right side of the periodic table are
Choice list: A. metals.
B. metalloids.
C. nonmetals.
D. actinides.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which sentence is true about periods of the periodic table?
Choice list: A. All the periods are the same length.
B. There are a total of 18 periods.
C. Some periods are longer than others.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
What letter is used inside the Carbon symbol?
Choice list: A. B
B. C
C. A
D. D
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
How many carbons are in the image?
Choice list: A. 4
B. 2
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many covalent bonds does Bromine form?
Choice list: A. 1
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
What is another way this hydrocarbon compound could be expressed?
Choice list: A. CH4C
B. C2H4
C. H4C2
D. CH2CH2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
What links the carbon atoms?
Choice list: A. mighty bond
B. physical bond
C. covalent bond
D. chemical bond
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many electrons has an ethylene molecule?
Choice list: A. 4
B. 10
C. 8
D. 12
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many hydrogen bonds are there with Carbon?
Choice list: A. 4
B. 5
C. 6
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many hydrogen atoms does ethylene have?
Choice list: A. 6
B. 8
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many bonds do F have with B?
Choice list: A. 6
B. 7
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
The name of this molecule is?
Choice list: A. bfff
B. BF3
C. FBFF
D. 3FB
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
According to the diagram, how protons does the Hydrogen atom have?
Choice list: A. 2
B. 1
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
What symbol is for Hydrogen?
Choice list: A. Ho
B. Hy
C. He
D. H
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How much hydrogen atom is there?
Choice list: A. 2
B. 3
C. 4
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many lone pair/s of electrons does oxygen have?
Choice list: A. 3
B. 6
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many dots are contained in this image?
Choice list: A. 5
B. 4
C. 6
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many electrons does oxygen have?
Choice list: A. 6
B. 5
C. 7
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
How much Oxygen atom is shown in the diagram?
Choice list: A. 2
B. 4
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many oxygen ions bond with Hydrogen?
Choice list: A. 3
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many black circles are around the Cl?
Choice list: A. 5
B. 7
C. 6
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many electrons are there in the diagram?
Choice list: A. 6
B. 4
C. 2
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many atoms of carbon there are?
Choice list: A. 2
B. 3
C. 4
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
How many free-floating electrons are shown in this chemical compound?
Choice list: A. 4
B. 1
C. 2
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
How many valence electrons are in the picture?
Choice list: A. 10
B. 4
C. 6
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
How many valence electrons does aluminum have?
Choice list: A. 2
B. 0
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many protons does Chlorine have?
Choice list: A. Five
B. Six
C. Two
D. Seven
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
How many unpaired electrons does chlorine atom have?
Choice list: A. 1
B. 7
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
Which lesson is this symbol used in?
Choice list: A. Foreign languages
B. English
C. Science
D. Math
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
Which represents the atom of Hydrogen?
Choice list: A. both
B. image on the right
C. left image
D. none
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
How many electrons does a Hydrogen atom have?
Choice list: A. 5
B. 1
C. 2
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
How many valence electrons does a carbon atom have?
Choice list: A. 2
B. 4
C. 8
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
How many atoms of Carbon are in the diagram?
Choice list: A. 2
B. 5
C. 8
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
How many electrons are there in the carbon to carbon bond?
Choice list: A. 4
B. 2
C. 6
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
The representation of acetylene shows that carbon has what type of bond?
Choice list: A. triple
B. double
C. quadruple
D. single
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
How many black dots are on the following object?
Choice list: A. 6
B. 12
C. 10
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many bonds are formed between C atoms in Acetylene?
Choice list: A. 2
B. 4
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many protons does H20 have?
Choice list: A. 9
B. 6
C. 8
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many electrons are there in a water molecule?
Choice list: A. 4
B. 6
C. 8
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
How many oxygen atoms does the water molecule have?
Choice list: A. 0
B. 3
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Subscripts in a chemical formula are used to show the number of
Choice list: A. molecules in a substance.
B. atoms of each element in a compound.
C. different elements in a compound.
D. protons in an element.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
There are millions of unique substances in the universe because elements can combine in many different ways to form
Choice list: A. mixtures.
B. solutions.
C. compounds.
D. ions.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which chemical formula represents the compound hydrogen peroxide?
Choice list: A. H2 O
B. HO2
C. H2 O 2
D. H2 O 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Water is an example of a(n)
Choice list: A. unique substance.
B. chemical compound.
C. covalent compound.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
The chemical formula HCl represents the compound named
Choice list: A. hydrogen chloride.
B. hydrogen carbide.
C. methane.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which statement is true about water and hydrogen peroxide?
Choice list: A. Both substances have the same properties.
B. Both substances have the same chemical formula.
C. Both substances consist of hydrogen and oxygen.
D. Both substances are mixtures of elements.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Chemical bonds always involve
Choice list: A. ions.
B. atoms.
C. metals.
D. electrons.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which statement is true about carbon dioxide and carbon monoxide?
Choice list: A. Both compounds consist of carbon and oxygen.
B. Both compounds have all the same properties.
C. Both compounds are harmless gases.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many valence electrons does an oxygen atom have?
Choice list: A. 2
B. 4
C. 6
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
The ratio of elements in a given compound
Choice list: A. is always 2 to 1.
B. is always the same.
C. may vary.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
A given compound always has the same
Choice list: A. chemical formul
B. composition.
C. volume.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
When there is just one atom of an element in a molecule, what subscript is used for the element?
Choice list: A. 1
B. 0
C. 2
D. No subscript is use
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
An oxygen atom has eight valence electrons.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
A molecule of carbon monoxide has two carbon atoms and one oxygen atom.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
The types of bonds in chemical compounds determine many of their properties.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The same elements may form different compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The chemical formula for carbon dioxide is CO2 .
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
A hydrogen atom has two electrons.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Each element is represented by a unique chemical formula.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
The compound carbon dioxide has twice as many oxygen atoms as carbon atoms.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The same elements may combine in different ratios to form the same compound.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Any molecule that contains only hydrogen and oxygen is water.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Different types of compounds differ in the types of bonds that hold their atoms together.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Both coal and diamond consist of atoms of carbon that are bonded together.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Most of the unique substances on Earth are compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
When atoms combine chemically they form mixtures.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
A chemical bond consists of matter that connects two different atoms.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
pure substance that cannot be separated into any other substances
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
<image>
unique substance that forms when elements combine chemically
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
particle of a compound that forms when atoms bond together
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
<image>
<image>
one of three types of chemical compounds
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
<image>
symbol representing a chemical compound
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
particle in the outer energy level of an atom
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
force of attraction between atoms or ions that share or transfer electrons
Choice list: A. chemical bond
B. chemical formula
C. compound
D. valence electron
E. element
F. molecule
G. ionic
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What does a sodium atom and a chlorine atom produce?
Choice list: A. Sodium Chloride
B. More sodium
C. More chlorine
D. Less sodium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What are the sodium atom and the chlorine atom forming?
Choice list: A. sodiom chlorine
B. sodiom chloride
C. sodium clorine
D. sodium chloride
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
In which type of bond do atoms share electrons?
Choice list: A. Covalent Bonds
B. Nonpolar Ionic
C. Ionic
D. Covalent Ionic
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
In a covalent bond, what happens to electrons?
Choice list: A. They are shared.
B. They are created.
C. They are destroyed.
D. They are transferred.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
An ionic bond forms when which atomic particle is given up to another atom?
Choice list: A. Electron
B. Nucleus
C. Proton
D. Neutron
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many electrons are shown in this diagram?
Choice list: A. 5
B. 9
C. 6
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
If the transfer of electron happens as shown in the diagram below, what will be the charge on the negative ion?
Choice list: A. 10
B. -10
C. 1
D. -1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
In the diagram, what does the blue and red circles represent?
Choice list: A. Nucleous
B. Electrons Only
C. Protons Only
D. Neutrons Only
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which element is the yellow atom?
Choice list: A. Chlorine
B. Sodium
C. Carbon
D. Natrium
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What does Sodium do to Chlorine?
Choice list: A. Nothing
B. Give an Electron
C. Take an Electron
D. Share Electrons
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
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What happens after sodium passed an ion to chlorine?
Choice list: A. Sodium becomes a negative ion.
B. Both become negative ions.
C. Nothing happens between them.
D. Chlorine becomes a negative ion.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is being donated to form the bond?
Choice list: A. Sodium electron
B. Sodium proton
C. Chlorine proton
D. Chlorine electron
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many electrons in a sodium ion?
Choice list: A. 10
B. 75
C. 1
D. 43
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many Sodium atoms are shown in this diagram?
Choice list: A. 4
B. 2
C. 5
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which element shared its outside electron?
Choice list: A. Chloride.
B. Sodium Chloride.
C. Cannot determine.
D. Sodium.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many electrons are lost by the Sodium atom?
Choice list: A. 8
B. 10
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many electrons are on the inner level of sodium?
Choice list: A. 3
B. 8
C. 9
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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This ionic bond will create what compound?
Choice list: A. Na+1Cl-1
B. NaCl
C. NACL
D. ClNa
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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After transferring an electron to chlorine, what charge does the sodium atom have?
Choice list: A. Positive
B. Varying
C. Neutral
D. Negative
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many electrons transferred between elements in this diagram?
Choice list: A. 3
B. 2
C. 1
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What happens after sodium pass its electron to the chlorine?
Choice list: A. Both elements will separate from each other
B. Sodium will gain a charge and chlorine will lose a charge
C. The compound created will become stable
D. The compound created will explore
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Ionic compounds form when ions share electrons.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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When halogens form ions they
Choice list: A. become positive in charge.
B. become negative in charge.
C. gain two electrons.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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In sodium chloride, sodium loses an electron to chlorine.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which two elements would not form ionic bonds?
Choice list: A. calcium and lithium
B. calcium and oxygen
C. lithium and oxygen
D. calcium and carbon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Ionic bonds form only between atoms of nonmetals.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Energy is released when
Choice list: A. valence electrons are removed from an atom.
B. valence electrons are gained by an atom.
C. a positive ion forms.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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A sodium ion has a charge of
Choice list: A. -1
B. -2
C. +1
D. +2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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The amount of energy needed to form an ion depends only on the number of valence electrons.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Francium has the same number of valence electrons as lithium.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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In a given metals group of the periodic table, compared with elements closer to the top of the table, elements closer to the bottom
Choice list: A. have valence electrons that are farther from the nucleus.
B. have valence electrons that are harder to remove from the atom.
C. need more energy to form positive ions.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Alkali metals release the most energy when they become ions.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Salt consists of molecules of sodium and chloride ions.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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When an atom of iodine becomes an ion, it is named iodide.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Ionic compounds are usually liquids at room temperature.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Water is an example of an ionic compound.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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An ionic bond forms when atoms of a nonmetal give up electrons to atoms of a metal.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Sodium and chloride ions have equal but opposite charges.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Metals need energy in order to become ions.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The bonds of crystals are very weak.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Solid ionic compounds are good conductors of electricity.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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dissolved ionic compound
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
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unique substance that forms when a metal and a nonmetal combine chemically
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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example of an alkali metal
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
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force of attraction that holds together positive and negative ions
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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example of a negative ion
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
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charged particle that forms when an atom gains or loses electrons
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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structure that forms when many positive and negative ions bond together
Choice list: A. ion
B. ionic bond
C. ionic compound
D. crystal
E. electrolyte
F. sodium
G. chloride
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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When metallic elements become ions they
Choice list: A. gain electrons.
B. become positively charged.
C. become negatively charged.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which two elements could form an ionic compound?
Choice list: A. carbon and oxygen
B. hydrogen and nitrogen
C. lithium and fluorine
D. boron and neon
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which statement about energy and ionic bonds is true?
Choice list: A. It takes energy to form a negative ion.
B. Halogens need the most energy to become ions.
C. It takes energy to remove valence electrons from an atom.
D. It takes more energy to gain two electrons than one electron.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which of the following compounds is not an ionic compound?
Choice list: A. barium oxide
B. lithium oxide
C. carbon dioxide
D. calcium chloride
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Properties of ionic compounds include
Choice list: A. high melting points.
B. high boiling points.
C. brittleness.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Ionic compounds are good conductors of electricity when they are
Choice list: A. shaped into wires.
B. dissolved in water.
C. formed into crystals.
D. made of two metals.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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In which of the following elements is the valence electron farthest from the nucleus?
Choice list: A. lithium (Li)
B. sodium (Na)
C. potassium (K)
D. rubidium (Rb)
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many hydrogen atoms are there in a methane molecule?
Choice list: A. 3
B. 5
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What particle does Hydrogen (H) bond to in a nonpolar covalent bond?
Choice list: A. Oxygen (O)
B. Carbon (C)
C. Hydrogen (H)
D. Both O and H
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many types of bonds are shown in the diagram?
Choice list: A. 2
B. 4
C. 1
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many oxygens does the nonpolar covalent bond have in this diagram?
Choice list: A. Three
B. Four
C. Two
D. Five
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many electrons are shared in the covalent bond between two oxygen atoms?
Choice list: A. 4
B. 1
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many electrons are shown in this diagram?
Choice list: A. 4
B. 2
C. 16
D. 18
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many oxygen atoms are shown here?
Choice list: A. one
B. two
C. five
D. three
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What happens to the melting and boiling point of compounds that have covalent bond?
Choice list: A. they are higher due to their bond
B. same as other compound
C. it is weaker because they're sharing
D. no effect on the bond
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What type of bond is formed between two oxygen atoms?
Choice list: A. Ionic
B. Covalent
C. Hydrogen bond
D. Van der waals
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which element is bonded to oxygen?
Choice list: A. Covalent bond
B. Lone pair
C. Oxygen
D. Hydrogen
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which type of bond connects two water molecules?
Choice list: A. lone pair
B. ionic bond
C. hydrogen bond
D. covalent bond
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many hydrogen atoms are represented in the diagram?
Choice list: A. 2
B. 5
C. 4
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is the force of attraction that holds together two atoms that share a pair of electrons known as?
Choice list: A. Non Covalent Bonds.
B. Oxygen Bonds.
C. Covalent Bond.
D. Hydrogen Bond.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which bond is responsible for keeping two molecules together?
Choice list: A. Hydrogen Bond
B. Covalent Bond
C. Metallic Bond
D. Ionic Bond
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many hydrogen atoms are shown in this diagram?
Choice list: A. 1
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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In oxygen, how many polar covalent bonds are there?
Choice list: A. 5
B. 3
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the name of the weak bond formed between water molecules?
Choice list: A. polar covalent bond
B. Hydrogen bond
C. covalent bond
D. water bond
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many hydrogen atoms make a methane molecule?
Choice list: A. 3
B. 1
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What bond is holding the atoms together?
Choice list: A. polar bond
B. ionic bond
C. covalent bond
D. non-polar bond
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many atoms make up this compound?
Choice list: A. 1
B. 2
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbon atoms are represented in the diagram?
Choice list: A. 4
B. 1
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What is a covalent bond?
Choice list: A. the repulsion that keeps two neutrons apart
B. The force of attraction that holds together two atoms that share a pair of electrons
C. the repulsion that keeps two eletrons apart
D. the force of attraction that holds together two atoms that share a pair of neutrons
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which of the following will cause the molecule to become an ion?
Choice list: A. The molecule loses all 4 H atoms and bond with O2
B. The molecule bonds with H2O
C. The molecule loses 1 H atom
D. The molecule loses 1 H atom and bonds with OH
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many atoms are shared in the covalent bond below?
Choice list: A. 4
B. 2
C. 6
D. None
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many electrons are shown in the diagram?
Choice list: A. 6
B. 2
C. 10
D. 12
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many electrons would be shared if this were a double covalent bond?
Choice list: A. 8
B. 6
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What does the C stand for in the covalent bond?
Choice list: A. Carbon
B. Chloride
C. Covalent
D. Chromium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What type of bond is this?
Choice list: A. shared pair
B. covalent
C. single
D. double displacement
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many covalent bonds are shown in this diagram?
Choice list: A. 1
B. 2
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many hydrogen atoms are present in the molecule?
Choice list: A. 3
B. 1
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many electrons are shared in a covalent bond?
Choice list: A. four
B. one
C. three
D. a pair
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What represents the element, hydrogen, in the diagram?
Choice list: A. H
B. F
C. HF
D. X
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many elements are shown in this diagram?
Choice list: A. 4
B. 2
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What kind of bond is presented on the figure?
Choice list: A. Ionic bond
B. Electric bond
C. Chemical bond
D. Covalent bond
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Each hydrogen molecule is connected by what type of particles?
Choice list: A. Electrons and Neutrons
B. Protons and Neutrons
C. Electrons
D. Protons and Electrons
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many covalent bonds are there in this molecule?
Choice list: A. 4
B. 1
C. 2
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many hydrogen atoms can form bonds with 1 carbon atom?
Choice list: A. 2
B. 5
C. 4
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many hydrogen molecules are depicted?
Choice list: A. 1
B. 4
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many valence electrons are represented?
Choice list: A. 1
B. 6
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many molecules are present?
Choice list: A. 2
B. 24
C. 6
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many electrons are shown in the diagram?
Choice list: A. 16
B. 20
C. 22
D. 26
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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If the oxygen atom in this covalent bond has a positive charge of 8, what is the carbon's charge?
Choice list: A. 6
B. 5
C. 7
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many Hydrogen atoms are represented in this diagram?
Choice list: A. 1
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many electrons did Oxygen have before forming a covalent bond with Hydrogen to become water?
Choice list: A. 4
B. 6
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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any compound consisting of two or more nonmetals
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
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Two hydrogen atoms may bond together to form a hydrogen
Choice list: A. ion.
B. molecule.
C. compound.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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covalent bond in which neither atom has an electric charge
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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An example of a covalent compound is
Choice list: A. sodium fluoride.
B. calcium chloride.
C. carbon dioxide.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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covalent bond between two atoms of the same element
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
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In all covalent bonds, valence electrons are
Choice list: A. lost.
B. gained.
C. shared equally.
D. share
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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The compound that contains two oxygen atoms and one nitrogen atom is named
Choice list: A. oxygen nitride.
B. dioxygen nitride.
C. nitrogen dioxide.
D. nitrogen monoxide.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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force of attraction holding together two atoms that share a pair of electrons
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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weak bond that forms between oppositely charged ends of two molecules
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What is the chemical formula for the compound in question 4?
Choice list: A. O2 N
B. N2 O
C. NO
D. NO2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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covalent bond in which the two atoms are oppositely charged
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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compound in which molecules have oppositely charged ends
Choice list: A. covalent bond
B. hydrogen bond
C. polar bond
D. nonpolar bond
E. diatomic bond
F. polar compound
G. covalent compound
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
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Covalent bonds form only between atoms of different elements.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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A single covalent bond involves just one valence electron.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Sharing electrons allows atoms to have a full outer energy level.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Each hydrogen atom can form two covalent bonds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The hydrogen end of a water molecule is slightly negative in charge.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Covalent bonds are found only in covalent compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Some covalent compounds contain atoms of just one element.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Formaldehyde is an example of a covalent compound.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Oxygen gas consists of individual oxygen atoms.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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An oxygen atom forms two covalent bonds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Oxygen always becomes negatively charged when it forms covalent bonds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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In naming a covalent compound, the element closest to the right of the periodic table is named first.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The second element named in a covalent compound gets the suffix ide.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Polar compounds tend to have higher boiling points than nonpolar compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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If a bond forms between calcium and chlorine, the bond is covalent.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Covalent bonds may form between
Choice list: A. atoms of different elements.
B. atoms of the same element.
C. ions of different elements.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Elements that normally occur as diatomic molecules include
Choice list: A. hydrogen.
B. iodine.
C. oxygen.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Shared electrons in covalent bonds are always attracted to
Choice list: A. both nuclei.
B. both nuclei equally.
C. one nucleus more than the other.
D. one nucleus only.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many covalent bonds must a hydrogen atom form to have a full outer energy level?
Choice list: A. 0
B. 1
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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An example of a polar molecule is
Choice list: A. H2 O.
B. CO2 .
C. O2 .
D. H2 .
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which statement about hydrogen bonds is true?
Choice list: A. They are very strong.
B. They form between molecules.
C. They form within molecules.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Compared with ionic compounds, covalent compounds
Choice list: A. have lower melting points.
B. have higher boiling points.
C. are better conductors of electricity.
D. are more likely to dissolve in water.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many shapes of Alkane is shown in the diagram?
Choice list: A. 1
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is represented in the following diagram?
Choice list: A. carbon
B. cyclic alkane
C. alkane
D. a hydrocarbon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which element are the hydrogen atoms connected to?
Choice list: A. HC
B. None
C. CH
D. C
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbons are in the chain?
Choice list: A. 4
B. 2
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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If two carbon atoms were joined using double bond in the hydrocarbon shown in diagram, what would be the result?
Choice list: A. cyclic hydrocarbon
B. unsaturated hydrocarbon
C. saturated hydrocarbon
D. nothing would change
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is formed when each carbon atom is bonded to as many hydrogen atoms as possible?
Choice list: A. alkanes
B. simple hydrocarbon
C. alkene
D. saturated hydrocarbons
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many C are there in butane?
Choice list: A. 4
B. 5
C. 3
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many hydrogen atoms are in butane?
Choice list: A. 8
B. 14
C. 12
D. 10
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbon atoms are there in butane?
Choice list: A. 5
B. 3
C. 4
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What would happen to the boiling point of alkanes as the number of carbon atoms per molecule increases?
Choice list: A. The boiling point does not change even if the number of carbon atom increases.
B. The boiling point is doubled every time the number of carbon atom increases.
C. The boiling point decreases as the number of carbon atom increases.
D. The boiling point increases as the number of carbon atom increases.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbon atoms are present in (b)?
Choice list: A. 9
B. 11
C. 12
D. 10
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many more double bonds than saturated fatty acid does unsaturated fatty acid have?
Choice list: A. 4
B. 2
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is the difference between the saturated and unsaturated hydrocarbon?
Choice list: A. nothing
B. saturated has triple bond Carbon
C. unsaturated has double bond carbon
D. saturated has double bond Carbon
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many carbon atoms are there in propane?
Choice list: A. 4
B. 3
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many hydrogen atoms are there in methane?
Choice list: A. 4
B. 2
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What has each formula going down the list gained?
Choice list: A. One oxygen
B. One hydrogen
C. Three carbons
D. Two hydrogen
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many hydrogen atoms make up methane?
Choice list: A. 2
B. 5
C. 4
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many Hydrogen Atoms are there in methane?
Choice list: A. 2
B. 4
C. 8
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many carbon atoms are there in ethane?
Choice list: A. 3
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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The figures below represent which type of bond?
Choice list: A. cycloalkanes
B. Alkynes
C. alkenes
D. aromatic hydrocarbons
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many carbon atoms are there in 1-Hexyne?
Choice list: A. 5
B. 7
C. 6
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many carbon atoms are there in 2-hexyne?
Choice list: A. 4
B. 7
C. 6
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What compound is needed to create ethanol out of methanol?
Choice list: A. Methylene CH2
B. Methylidyne CH
C. Carbide C
D. Methyl CH3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What connects C to OH?
Choice list: A. chemical bond'
B. line
C. physical bond
D. bond
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many hydrogen atoms are present in ethanol?
Choice list: A. 5
B. 4
C. 6
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What type of alkane is Pentane?
Choice list: A. Isopentane
B. Cyclic Alkane
C. Branched Chain Alkane
D. Straight-Chain Alkane
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbon atoms are found in a molecule of Isopentane?
Choice list: A. 12
B. 8
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many saturated hydrocarbons are shown?
Choice list: A. 1
B. 2
C. 5
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbon atoms are there in pentane?
Choice list: A. 4
B. 6
C. 5
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many carbons and hydrogen are in this diagram?
Choice list: A. 15 and 36
B. 10 and 30
C. 17 and 35
D. 2 and 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Identify the hydrocarbon that consists of triple bond between two carbon atoms.
Choice list: A. unsaturated hydrocarbon
B. none
C. saturated hydrocarbon
D. both saturated and unsaturated hydrocarbon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many bonds the carbon has to make to be stable?
Choice list: A. 5
B. 3
C. 4
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many carbon atoms are there in a saturated hydrocarbon?
Choice list: A. 1
B. 3
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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A saturated hydrocarbon with three carbon atoms has how many hydrogen atoms in the molecule?
Choice list: A. 7
B. 6
C. 4
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many carbon molecules are present?
Choice list: A. five
B. two
C. four
D. eight
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many carbon atoms are in the diagram?
Choice list: A. 4
B. 3
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many carbon atoms does cyclobutane have?
Choice list: A. 4
B. 8
C. 1
D. 12
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many hydrogen atoms does cyclobutane have?
Choice list: A. 4
B. 6
C. 8
D. 10
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many links are present with each Carbon atom?
Choice list: A. 3
B. 2
C. 1
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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From the diagram, identify the smallest alkane.
Choice list: A. butane
B. ethane
C. propane
D. methane
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many carbon atoms are needed to form propane?
Choice list: A. 3
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many carbon atoms does propane have?
Choice list: A. 2
B. 1
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many maximum bonds can carbon have?
Choice list: A. 3
B. 4
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which statement about hydrocarbons is true?
Choice list: A. They are the most complex type of carbon compounds.
B. They are all gases at room temperature.
C. They generally do not dissolve in water.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which statement about hydrocarbons is false?
Choice list: A. All of them are polar compounds.
B. Most of them are obtained from fossil fuels.
C. Some of them are solids at room temperature.
D. They are the simplest type of carbon compounds.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The simplest hydrocarbons are
Choice list: A. unsaturated hydrocarbons.
B. saturated hydrocarbons.
C. aromatic hydrocarbons.
D. alkenes and alkynes.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The last part of the name of a hydrocarbon compound indicates
Choice list: A. the number of bonds between carbon atoms.
B. the number of carbon atoms per molecule.
C. the shape of the hydrocarbon compound.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The first part of the name of a hydrocarbon indicates the number of
Choice list: A. bonds between carbon atoms.
B. branches in the molecule.
C. hydrogen atoms.
D. carbon atoms.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Hydrocarbons are used in floor wax because they
Choice list: A. resist scratches.
B. tend to repel water.
C. dissolve well in water.
D. have high melting points.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which of the following is an example of an unsaturated hydrocarbon?
Choice list: A. methene
B. pentane
C. propane
D. ethene
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Alkanes with more carbon atoms generally have
Choice list: A. higher boiling points.
B. lower boiling points.
C. higher melting points.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Aromatic hydrocarbons generally have
Choice list: A. a strong scent.
B. rings of four carbon atoms.
C. alternating double and triple bonds.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Dead organisms in ancient seas gradually formed deposits of
Choice list: A. coal.
B. petroleum.
C. natural gas.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Hydrocarbon compounds that are burned for fuels include
Choice list: A. coal.
B. propane.
C. kerosene.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Fossil fuels include
Choice list: A. wood.
B. charcoal.
C. petroleum.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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All hydrocarbons are small chemical compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Hydrocarbons are generally nonpolar compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Isomers of a given compound always have the same properties.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Hydrocarbons are compounds that contain only carbon and hydrogen.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Heptane is an unsaturated hydrocarbon.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The simplest hydrocarbons are the aromatic hydrocarbons.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Butane has branched-chain molecules.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The size of hydrocarbon molecules influences their properties.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Butane and iso-butane differ in their number of hydrogen atoms.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Any hydrocarbon ending in ane has only straight-chain molecules.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Alkenes may form straight or branchedchains but not rings.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Hydrocarbons are used to make synthetic fabrics such as polyester.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The physical properties of alkenes are generally similar to those of alkanes.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Alkynes are relatively rare in nature.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Fossil fuels formed over millions of years from dead organisms.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Ring-shaped unsaturated hydrocarbons
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
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all compounds that consist only of carbon and hydrogen
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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unsaturated hydrocarbons with at least one double bond
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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ring-shaped saturated hydrocarbons
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
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saturated hydrocarbons such as ethane
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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molecules with the same atoms but different shapes
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
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unsaturated hydrocarbons with at least one triple bond
Choice list: A. alkanes
B. alkenes
C. alkynes
D. hydrocarbons
E. isomers
F. aromatic hydrocarbons
G. cycloalkanes
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Does cellular respiration require energy directly from the sun?
Choice list: A. occasionally
B. yes
C. only when it is sunny
D. no
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Identify the photosynthesis' product referred as the letter B on the diagram.
Choice list: A. Water.
B. Oxygen.
C. Glucose.
D. Carbon dioxide.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is produced from Photosynthesis?
Choice list: A. Heat energy
B. Sun
C. Cellular respiration
D. Air
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What occurs after photosynthesis in this diagram?
Choice list: A. Sunlight
B. Cellular respiration
C. Heat energy
D. ATP
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What are the byproducts of animal cellular respiration in producing ATP?
Choice list: A. oxygen and glucose
B. carbon dioxide and chloroplast
C. oxygen and nitrogen
D. Carbon Dioxide and water
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is considered a by-product during photosynthesis?
Choice list: A. carbon dioxide
B. glucose
C. oxygen
D. water
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which of the following does photosynthesis make?
Choice list: A. carbon dioxide
B. light energy
C. water
D. Glucose
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Where does light energy go to?
Choice list: A. Mitochondrion
B. Chloroplast
C. Energy
D. Cellular respiration
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which element is called CO?
Choice list: A. Carbon Dioxide
B. Ozone
C. Hydrogen Dioxide
D. Carbon Oxide
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Carbon dioxide and water are produced by this.
Choice list: A. chloroplast
B. mitochondion
C. ATP
D. sun
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which compound is C6H12O6?
Choice list: A. Glucose
B. Water
C. Carbon Dioxide
D. Oxygen
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How many Carbon Dioxides are sent from the Mitochondrion to the Chloroplast in this diagram?
Choice list: A. 2
B. 6
C. 4
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How do living things get energy from glucose?
Choice list: A. through other dead plant
B. through photosynthesis
C. Through cellular respiration
D. from the sun
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What do plants let out in order for cellular respiration to occur?
Choice list: A. Glucose and oxygen
B. Sunlight
C. Carbon dioxide and water
D. Heat
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which Process Produces Oxygen & Glucose?
Choice list: A. Sunlight
B. Cellular Respiration
C. Photosynthesis
D. Plant Cell
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many phases are there in photosynthesis and cellular respiration?
Choice list: A. 9
B. 6
C. 7
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What would happen if the rabbit expelled oxygen instead of carbon dioxide?
Choice list: A. The plant will need more water to live.
B. The rabbit will be able to make its own glucose.
C. The plant will become healthier.
D. The plant will not be able to synthesize glucose.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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The process of glycolysis transforms glucose into what substance?
Choice list: A. NADH
B. Citric acid
C. Pyruvate
D. FADH2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What would happen if there is no ADP available for the cells to uptake?
Choice list: A. the cell would function normally
B. The cell would swell.
C. The cell could not respire.
D. The cell would reproduce
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What are the outputs of the Citric acid cycle?
Choice list: A. CO2 and 34ATP
B. CO2
C. O2 and CO2
D. CO2 and 2ATP
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which metabolic process supplies carbon precursors directly to the Electron Transport Chain?
Choice list: A. Glycolysis
B. Cytoplasm
C. Mitochondria
D. Citric Acid Cycle
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many times is Oxygen shown in this diagram?
Choice list: A. 1
B. 4
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What cycle converts Oxygen to Carbon Dioxide in a cytoplasm with the help of Adenosine Triphosphate?
Choice list: A. Through Glycogenesis.
B. Through Glyconeogenesis.
C. Through Glycolysis.
D. Through the Citric Acid Cycle.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How are electrons transferred to the cell?
Choice list: A. NADH
B. ATP
C. Citric Acid Cycle
D. Glycolysis
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the process between the Electron transport chain and the Glycolysis?
Choice list: A. Oxygen
B. Citric acid cycle
C. Glucose
D. Electrons transferred by NADH
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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The Electron Transport Chain produces what products?
Choice list: A. Produces ATP
B. Produce pyruvate
C. Produce glucose
D. Breaks down ATP
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How are the electrons carried to be used in the citric acid cycle?
Choice list: A. Via oxidation
B. Via Mitochondrion
C. Via NADH and FADH2
D. Via glycolysis
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Which substance is produced by oxidative phosphorylation?
Choice list: A. Citric acid
B. ATP
C. Pyruvate
D. Glucose
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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At how many stages during cellular respiration ATP is produced?
Choice list: A. 6
B. 2
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many times is ATP shown in this diagram?
Choice list: A. 1
B. 4
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What happens to cytosol after it goes through glycolysis?
Choice list: A. evaporates
B. goes through citric acid cycle
C. nothing
D. it goes through substrate level phosphorylation
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which part of the diagram represents energy?
Choice list: A. 3
B. 4
C. 2
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] C