matteogabburo/mWikiQA · Datasets at Hugging Face

eid int64 0 18.8k	qid int64 0 2.12k	cid int64 0 29	label int64 0 1	question stringlengths 11 120	candidate stringlengths 2 1.08k
9,222	1,024	3	0	what is human chorionic	However, it is not known whether this production is a contributing cause or an effect of tumorigenesis .
9,223	1,024	4	0	what is human chorionic	The pituitary analogue of hCG, known as luteinizing hormone (LH), is produced in the pituitary gland of males and females of all ages.
9,224	1,024	5	0	what is human chorionic	, the FDA has prohibited the sale of "homeopathic" and over the counter hCG diet products and declared them fraudulent and illegal.
9,225	1,025	0	1	what role do ombudsman play in the swedish government?	An ombudsman is an official, usually appointed by the government or by parliament but with a significant degree of independence, who is charged with representing the interests of the public by investigating and addressing complaints of maladministration or violation of rights.
9,226	1,025	1	0	what role do ombudsman play in the swedish government?	In some countries an Inspector General , Citizen Advocate or other official may have duties similar to those of a national ombudsman, and may also be appointed by the legislature.
9,227	1,025	2	0	what role do ombudsman play in the swedish government?	Below the national level an ombudsman may be appointed by a state, local or municipal government, and unofficial ombudsmen may be appointed by, or even work for, a corporation such as a utility supplier or a newspaper, for an NGO , or for a professional regulatory body.
9,228	1,025	3	0	what role do ombudsman play in the swedish government?	Whether appointed by the legislature, the executive, or an organization (or, less frequently, elected by the constituency that he or she serves), the typical duties of an ombudsman are to investigate complaints and attempt to resolve them, usually through recommendations (binding or not) or mediation .
9,229	1,025	4	0	what role do ombudsman play in the swedish government?	Ombudsmen sometimes also aim to identify systemic issues leading to poor service or breaches of people's rights.
9,230	1,025	5	0	what role do ombudsman play in the swedish government?	At the national level, most ombudsmen have a wide mandate to deal with the entire public sector, and sometimes also elements of the private sector (for example, contracted service providers).
9,231	1,025	6	0	what role do ombudsman play in the swedish government?	In some cases, there is a more restricted mandate, for example with particular sectors of society.
9,232	1,025	7	0	what role do ombudsman play in the swedish government?	More recent developments have included the creation of specialised Children's Ombudsman and Information Commissioner agencies.
9,233	1,025	8	0	what role do ombudsman play in the swedish government?	In some jurisdictions an ombudsman charged with the handling of concerns about national government is more formally referred to as the "Parliamentary Commissioner" (e.g. the United Kingdom Parliamentary Commissioner for Administration, and the Western Australian state Ombudsman).
9,234	1,025	9	0	what role do ombudsman play in the swedish government?	In many countries where the ombudsman's remit extends beyond dealing with alleged maladministration to promoting and protecting human rights, the ombudsman is recognised as the national human rights institution .
9,235	1,025	10	0	what role do ombudsman play in the swedish government?	The post of ombudsman had by the end of the 20th century been instituted by most governments and by some intergovernmental organizations such as the European Union .
9,236	1,025	11	0	what role do ombudsman play in the swedish government?	Making a complaint to an ombudsman is usually free of charge.
9,237	1,025	12	0	what role do ombudsman play in the swedish government?	Sign at Georgetown University Washington DC
9,238	1,025	13	0	what role do ombudsman play in the swedish government?	Sign in Banjul , The Gambia
9,239	1,026	0	0	what state is new england in	Autumn in New England, watercolor, Maurice Prendergast .
9,240	1,026	1	0	what state is new england in	Ca. 1910–1913
9,241	1,026	2	0	what state is new england in	Fall foliage in the town of Stowe, Vermont
9,242	1,026	3	1	what state is new england in	New England is a region in the northeastern corner of the United States consisting of the six states of Maine , New Hampshire , Vermont , Massachusetts , Rhode Island , and Connecticut .
9,243	1,026	4	0	what state is new england in	New England is bordered by New York state to the southwest, Quebec to the northwest, and New Brunswick and the Atlantic Ocean to the east.
9,244	1,026	5	0	what state is new england in	In one of the earliest English settlements in North America, Pilgrims from England first settled in New England in 1620, to form Plymouth Colony .
9,245	1,026	6	0	what state is new england in	Ten years later, the Puritans settled north of Plymouth Colony in Boston , thus forming Massachusetts Bay Colony .
9,246	1,026	7	0	what state is new england in	Over the next 130 years, New England fought in four French and Indian Wars , until the British defeated the French and their native allies in North America.
9,247	1,026	8	0	what state is new england in	In the late 18th century, the New England Colonies initiated the resistance to the British Parliament's efforts to impose new taxes without the consent of the colonists .
9,248	1,026	9	0	what state is new england in	The Boston Tea Party was a protest to which Great Britain responded with a series of punitive laws stripping Massachusetts of self-government, which were termed the " Intolerable Acts " by the colonists.
9,249	1,026	10	0	what state is new england in	The confrontation led to open warfare in 1775, the expulsion of the British authorities from New England in spring 1776, and the Declaration of Independence in July 1776.
9,250	1,026	11	0	what state is new england in	Some of the first movements of American literature , philosophy , and education originated in New England.
9,251	1,026	12	0	what state is new england in	The region played a prominent role in the movement to abolish slavery , and was the first region of the United States to be transformed by the Industrial Revolution .
9,252	1,026	13	0	what state is new england in	Today, New England is a major world center of education, high technology, insurance, and medicine.
9,253	1,026	14	0	what state is new england in	Boston is its cultural, financial, educational, medical and transportation center.
9,254	1,026	15	0	what state is new england in	Each state is principally subdivided into small incorporated municipalities known as New England towns , which are often governed by town meeting .
9,255	1,026	16	0	what state is new england in	The only unincorporated territory in New England exists in the sparse, northern regions of Vermont, New Hampshire, and Maine.
9,256	1,026	17	0	what state is new england in	Since 1970, voters have more often supported liberal candidates at the state and federal level than those of any other region in the United States.
9,257	1,026	18	0	what state is new england in	New England is the only one of the United States Census Bureau 's nine regional divisions whose name does not derive from its geography, and it is the only multi-state region with clear, consistent boundaries.
9,258	1,026	19	0	what state is new england in	It maintains a strong sense of cultural identity set apart from the rest of the country, although the terms of this identity are often contested, combining Puritanism with liberalism, agrarian life with industry, and isolation with immigration.
9,259	1,027	0	0	who starred in the drama emergency	Emergency!
9,259	1,027	1	0	who starred in the drama emergency	Emergency!
9,260	1,027	2	0	who starred in the drama emergency	is an American television series that combines the medical drama and action-adventure genres.
9,261	1,027	3	0	who starred in the drama emergency	It was produced by Mark VII Limited and distributed by Universal Studios .
9,262	1,027	4	0	who starred in the drama emergency	It debuted as a midseason replacement on January 15, 1972, on NBC , replacing the two short-lived series The Partners and The Good Life , and ran until September 3, 1977, with six additional two-hour television films during the following two years.
9,263	1,027	5	0	who starred in the drama emergency	was created and produced by Jack Webb and Robert A. Cinader , both of whom were also responsible for the police dramas Adam-12 and Dragnet .
9,264	1,028	0	0	What states are in the Eastern Standard time zone?	The Eastern Time Zone (ET) encompasses 17 U.S. states in the eastern part of the contiguous United States , parts of Canada and three countries in South America .
9,265	1,028	1	0	What states are in the Eastern Standard time zone?	Places that use Eastern Standard Time (EST) when observing standard time (autumn/winter) are 5 hours behind Coordinated Universal Time ().
9,266	1,028	2	0	What states are in the Eastern Standard time zone?	Eastern Daylight Time (EDT), when observing daylight saving time (spring/summer) is 4 hours behind Coordinated Universal Time ().
9,267	1,028	3	0	What states are in the Eastern Standard time zone?	In the northern parts of the time zone, during the second Sunday in March, at 2:00 a.m. EST, clocks are advanced to 3:00 a.m. EDT leaving a one hour "gap."
9,268	1,028	4	0	What states are in the Eastern Standard time zone?	During the first Sunday in November, at 2:00 a.m. EDT, clocks are moved back to 1:00 a.m. EST, thus "duplicating" one hour.
9,269	1,028	5	0	What states are in the Eastern Standard time zone?	Southern parts of the zone (Panama and the Caribbean) do not observe daylight saving.
9,270	1,029	0	0	what is an atomic number periodic table	Standard form of the periodic table.
9,271	1,029	1	0	what is an atomic number periodic table	The colors represent different categories of elements explained below.
9,272	1,029	2	0	what is an atomic number periodic table	The periodic table is a tabular display of the chemical elements , organized on the basis of their atomic numbers , electron configurations , and recurring chemical properties .
9,273	1,029	3	0	what is an atomic number periodic table	Elements are presented in order of increasing atomic number (number of protons).
9,274	1,029	4	0	what is an atomic number periodic table	The standard form of table comprises an 18 × 7 grid or main body of elements, positioned above a smaller double row of elements.
9,275	1,029	5	0	what is an atomic number periodic table	The table can also be deconstructed into four rectangular blocks: the s-block to the left, the p-block to the right, the d-block in the middle, and the f-block below that.
9,276	1,029	6	0	what is an atomic number periodic table	The rows of the table are called periods ; the columns of the s-, d-, and p-blocks are called groups , with some of these having names such as the halogens or the noble gases .
9,277	1,029	7	0	what is an atomic number periodic table	Since, by definition, a periodic table incorporates recurring trends , any such table can be used to derive relationships between the properties of the elements and predict the properties of new, yet to be discovered or synthesized, elements.
9,278	1,029	8	0	what is an atomic number periodic table	As a result, a periodic table—whether in the standard form or some other variant—provides a useful framework for analyzing chemical behavior, and such tables are widely used in chemistry and other sciences.
9,279	1,029	9	0	what is an atomic number periodic table	Although precursors exist, Dmitri Mendeleev is generally credited with the publication, in 1869, of the first widely recognized periodic table.
9,280	1,029	10	0	what is an atomic number periodic table	He developed his table to illustrate periodic trends in the properties of the then-known elements.
9,281	1,029	11	0	what is an atomic number periodic table	Mendeleev also predicted some properties of then-unknown elements that would be expected to fill gaps in this table.
9,282	1,029	12	0	what is an atomic number periodic table	Most of his predictions were proved correct when the elements in question were subsequently discovered.
9,283	1,029	13	0	what is an atomic number periodic table	Mendeleev's periodic table has since been expanded and refined with the discovery or synthesis of further new elements and the development of new theoretical models to explain chemical behavior.
9,284	1,029	14	0	what is an atomic number periodic table	All elements from atomic numbers 1 ( hydrogen ) to 118 ( ununoctium ) have been discovered or synthesized.
9,285	1,029	15	0	what is an atomic number periodic table	The elements from 1 to 98 ( californium ) have been found to exist naturally, although some are found only in trace amounts and were initially discovered by synthesis in laboratories.
9,286	1,029	16	0	what is an atomic number periodic table	The elements after 98 have only been synthesized in laboratories.
9,287	1,029	17	0	what is an atomic number periodic table	Production of elements beyond ununoctium is being pursued, with the question of how the periodic table may need to be modified to accommodate any such additions being a matter of ongoing debate.
9,288	1,029	18	0	what is an atomic number periodic table	Numerous synthetic radionuclides of naturally occurring elements have also been produced in laboratories.
1,024	102	0	0	how many presidential terms did fdr serve	Franklin Delano Roosevelt ( or ; January 30, 1882 – April 12, 1945), also known by his initials, FDR, was the 32nd President of the United States (1933–1945) and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic depression and total war.
1,025	102	1	0	how many presidential terms did fdr serve	A dominant leader of the Democratic Party and the only American president elected to more than two terms, he built a New Deal Coalition that realigned American politics after 1932, as his domestic policies defined American liberalism for the middle third of the 20th century.
1,026	102	2	0	how many presidential terms did fdr serve	With the bouncy popular song " Happy Days Are Here Again " as his campaign theme, FDR defeated incumbent Republican Herbert Hoover in November 1932 , at the depth of the Great Depression .
1,027	102	3	0	how many presidential terms did fdr serve	Energized by his personal victory over polio , FDR's unfailing optimism and activism contributed to a renewal of the national spirit.
1,028	102	4	0	how many presidential terms did fdr serve	He worked closely with British Prime Minister Winston Churchill and Soviet General Secretary Joseph Stalin in leading the Allies against Germany and Japan in World War II , and restoring prosperity to the nation's economy.
1,029	102	5	0	how many presidential terms did fdr serve	In his first hundred days in office, which began March 4, 1933, Roosevelt spearheaded major legislation and issued a profusion of executive orders that instituted the New Deal —a variety of programs designed to produce relief (government jobs for the unemployed), recovery (economic growth), and reform (through regulation of Wall Street, banks and transportation).
1,030	102	6	0	how many presidential terms did fdr serve	The economy improved rapidly from 1933 to 1937, but then relapsed into a deep recession.
1,031	102	7	0	how many presidential terms did fdr serve	The bipartisan Conservative Coalition that formed in 1937 prevented his packing the Supreme Court or passing any considerable legislation; it abolished many of the relief programs when unemployment diminished during World War II.
1,032	102	8	0	how many presidential terms did fdr serve	Most of the regulations on business were ended about 1975–85, except for the regulation of Wall Street by the Securities and Exchange Commission , which still exists.
1,033	102	9	0	how many presidential terms did fdr serve	Along with several smaller programs, major surviving programs include the Federal Deposit Insurance Corporation , which was created in 1933, and Social Security , which Congress passed in 1935.
1,034	102	10	0	how many presidential terms did fdr serve	As World War II loomed after 1938, with the Japanese invasion of China and the aggression of Nazi Germany , FDR gave strong diplomatic and financial support to China and Great Britain, while remaining officially neutral.
1,035	102	11	0	how many presidential terms did fdr serve	His goal was to make America the " Arsenal of Democracy " which would supply munitions to the Allies .
1,036	102	12	0	how many presidential terms did fdr serve	In March 1941, Roosevelt, with Congressional approval, provided Lend-Lease aid to the countries fighting against Nazi Germany with Britain.
1,037	102	13	0	how many presidential terms did fdr serve	With very strong national support, he made war on Japan and Germany after the Japanese attack on Pearl Harbor on December 7, 1941, calling it a " date which will live in infamy ".
1,038	102	14	0	how many presidential terms did fdr serve	He supervised the mobilization of the U.S. economy to support the Allied war effort.
1,039	102	15	0	how many presidential terms did fdr serve	As an active military leader, Roosevelt implemented an overall war strategy on two fronts that ended in the defeat of the Axis Powers and the development of the world's first atom bomb .
1,040	102	16	0	how many presidential terms did fdr serve	In 1942 Roosevelt ordered the internment of 100,000 Japanese American civilians.
1,041	102	17	0	how many presidential terms did fdr serve	Unemployment dropped to 2%, relief programs largely ended, and the industrial economy grew rapidly to new heights as millions of people moved to new jobs in war centers, and 16 million men and 300,000 women were drafted or volunteered for military service.
1,042	102	18	0	how many presidential terms did fdr serve	Roosevelt dominated the American political scene not only during the twelve years of his presidency, but also for decades afterward.
1,043	102	19	0	how many presidential terms did fdr serve	He orchestrated the realignment of voters that created the Fifth Party System .
1,044	102	20	0	how many presidential terms did fdr serve	FDR's New Deal Coalition united labor unions, big city machines, white ethnics, African Americans and rural white Southerners.
1,045	102	21	0	how many presidential terms did fdr serve	He also influenced the later creation of the United Nations and Bretton Woods .
1,046	102	22	0	how many presidential terms did fdr serve	Roosevelt is consistently rated by scholars as one of the top three U.S. Presidents , along with Abraham Lincoln and George Washington .
1,047	102	23	0	how many presidential terms did fdr serve	A liberal Democrat, Roosevelt defined his ideological position as "a little left of center."
9,270	1,030	0	0	what is an element on a periodic table	Standard form of the periodic table.
9,271	1,030	1	0	what is an element on a periodic table	The colors represent different categories of elements explained below.
9,272	1,030	2	0	what is an element on a periodic table	The periodic table is a tabular display of the chemical elements , organized on the basis of their atomic numbers , electron configurations , and recurring chemical properties .
9,273	1,030	3	0	what is an element on a periodic table	Elements are presented in order of increasing atomic number (number of protons).
9,274	1,030	4	0	what is an element on a periodic table	The standard form of table comprises an 18 × 7 grid or main body of elements, positioned above a smaller double row of elements.
9,275	1,030	5	0	what is an element on a periodic table	The table can also be deconstructed into four rectangular blocks: the s-block to the left, the p-block to the right, the d-block in the middle, and the f-block below that.
9,276	1,030	6	0	what is an element on a periodic table	The rows of the table are called periods ; the columns of the s-, d-, and p-blocks are called groups , with some of these having names such as the halogens or the noble gases .
9,277	1,030	7	0	what is an element on a periodic table	Since, by definition, a periodic table incorporates recurring trends , any such table can be used to derive relationships between the properties of the elements and predict the properties of new, yet to be discovered or synthesized, elements.

9,222

1,024

3

0

what is human chorionic

However, it is not known whether this production is a contributing cause or an effect of tumorigenesis .

9,223

1,024

4

0

what is human chorionic

The pituitary analogue of hCG, known as luteinizing hormone (LH), is produced in the pituitary gland of males and females of all ages.

9,224

1,024

5

0

what is human chorionic

, the FDA has prohibited the sale of "homeopathic" and over the counter hCG diet products and declared them fraudulent and illegal.

9,225

1,025

0

1

what role do ombudsman play in the swedish government?

An ombudsman is an official, usually appointed by the government or by parliament but with a significant degree of independence, who is charged with representing the interests of the public by investigating and addressing complaints of maladministration or violation of rights.

9,226

1,025

1

0

what role do ombudsman play in the swedish government?

In some countries an Inspector General , Citizen Advocate or other official may have duties similar to those of a national ombudsman, and may also be appointed by the legislature.

9,227

1,025

2

0

what role do ombudsman play in the swedish government?

Below the national level an ombudsman may be appointed by a state, local or municipal government, and unofficial ombudsmen may be appointed by, or even work for, a corporation such as a utility supplier or a newspaper, for an NGO , or for a professional regulatory body.

9,228

1,025

3

0

what role do ombudsman play in the swedish government?

Whether appointed by the legislature, the executive, or an organization (or, less frequently, elected by the constituency that he or she serves), the typical duties of an ombudsman are to investigate complaints and attempt to resolve them, usually through recommendations (binding or not) or mediation .

9,229

1,025

4

0

what role do ombudsman play in the swedish government?

Ombudsmen sometimes also aim to identify systemic issues leading to poor service or breaches of people's rights.

9,230

1,025

5

0

what role do ombudsman play in the swedish government?

At the national level, most ombudsmen have a wide mandate to deal with the entire public sector, and sometimes also elements of the private sector (for example, contracted service providers).

9,231

1,025

6

0

what role do ombudsman play in the swedish government?

In some cases, there is a more restricted mandate, for example with particular sectors of society.

9,232

1,025

7

0

what role do ombudsman play in the swedish government?

More recent developments have included the creation of specialised Children's Ombudsman and Information Commissioner agencies.

9,233

1,025

8

0

what role do ombudsman play in the swedish government?

In some jurisdictions an ombudsman charged with the handling of concerns about national government is more formally referred to as the "Parliamentary Commissioner" (e.g. the United Kingdom Parliamentary Commissioner for Administration, and the Western Australian state Ombudsman).

9,234

1,025

9

0

what role do ombudsman play in the swedish government?

In many countries where the ombudsman's remit extends beyond dealing with alleged maladministration to promoting and protecting human rights, the ombudsman is recognised as the national human rights institution .

9,235

1,025

10

0

what role do ombudsman play in the swedish government?

The post of ombudsman had by the end of the 20th century been instituted by most governments and by some intergovernmental organizations such as the European Union .

9,236

1,025

11

0

what role do ombudsman play in the swedish government?

Making a complaint to an ombudsman is usually free of charge.

9,237

1,025

12

0

what role do ombudsman play in the swedish government?

Sign at Georgetown University Washington DC

9,238

1,025

13

0

what role do ombudsman play in the swedish government?

Sign in Banjul , The Gambia

9,239

1,026

0

what state is new england in

Autumn in New England, watercolor, Maurice Prendergast .

9,240

1,026

1

0

what state is new england in

Ca. 1910–1913

9,241

1,026

2

0

what state is new england in

Fall foliage in the town of Stowe, Vermont

9,242

1,026

3

1

what state is new england in

New England is a region in the northeastern corner of the United States consisting of the six states of Maine , New Hampshire , Vermont , Massachusetts , Rhode Island , and Connecticut .

9,243

1,026

4

0

what state is new england in

New England is bordered by New York state to the southwest, Quebec to the northwest, and New Brunswick and the Atlantic Ocean to the east.

9,244

1,026

5

0

what state is new england in

In one of the earliest English settlements in North America, Pilgrims from England first settled in New England in 1620, to form Plymouth Colony .

9,245

1,026

6

0

what state is new england in

Ten years later, the Puritans settled north of Plymouth Colony in Boston , thus forming Massachusetts Bay Colony .

9,246

1,026

7

0

what state is new england in

Over the next 130 years, New England fought in four French and Indian Wars , until the British defeated the French and their native allies in North America.

9,247

1,026

8

0

what state is new england in

In the late 18th century, the New England Colonies initiated the resistance to the British Parliament's efforts to impose new taxes without the consent of the colonists .

9,248

1,026

9

0

what state is new england in

The Boston Tea Party was a protest to which Great Britain responded with a series of punitive laws stripping Massachusetts of self-government, which were termed the " Intolerable Acts " by the colonists.

9,249

1,026

10

0

what state is new england in

The confrontation led to open warfare in 1775, the expulsion of the British authorities from New England in spring 1776, and the Declaration of Independence in July 1776.

9,250

1,026

11

0

what state is new england in

Some of the first movements of American literature , philosophy , and education originated in New England.

9,251

1,026

12

0

what state is new england in

The region played a prominent role in the movement to abolish slavery , and was the first region of the United States to be transformed by the Industrial Revolution .

9,252

1,026

13

0

what state is new england in

Today, New England is a major world center of education, high technology, insurance, and medicine.

9,253

1,026

14

0

what state is new england in

Boston is its cultural, financial, educational, medical and transportation center.

9,254

1,026

15

0

what state is new england in

Each state is principally subdivided into small incorporated municipalities known as New England towns , which are often governed by town meeting .

9,255

1,026

16

0

what state is new england in

The only unincorporated territory in New England exists in the sparse, northern regions of Vermont, New Hampshire, and Maine.

9,256

1,026

17

0

what state is new england in

Since 1970, voters have more often supported liberal candidates at the state and federal level than those of any other region in the United States.

9,257

1,026

18

0

what state is new england in

New England is the only one of the United States Census Bureau 's nine regional divisions whose name does not derive from its geography, and it is the only multi-state region with clear, consistent boundaries.

9,258

1,026

19

0

what state is new england in

It maintains a strong sense of cultural identity set apart from the rest of the country, although the terms of this identity are often contested, combining Puritanism with liberalism, agrarian life with industry, and isolation with immigration.

9,259

1,027

0

who starred in the drama emergency

Emergency!

9,259

1,027

1

0

who starred in the drama emergency

Emergency!

9,260

1,027

2

0

who starred in the drama emergency

is an American television series that combines the medical drama and action-adventure genres.

9,261

1,027

3

0

who starred in the drama emergency

It was produced by Mark VII Limited and distributed by Universal Studios .

9,262

1,027

4

0

who starred in the drama emergency

It debuted as a midseason replacement on January 15, 1972, on NBC , replacing the two short-lived series The Partners and The Good Life , and ran until September 3, 1977, with six additional two-hour television films during the following two years.

9,263

1,027

5

0

who starred in the drama emergency

was created and produced by Jack Webb and Robert A. Cinader , both of whom were also responsible for the police dramas Adam-12 and Dragnet .

9,264

1,028

0

What states are in the Eastern Standard time zone?

The Eastern Time Zone (ET) encompasses 17 U.S. states in the eastern part of the contiguous United States , parts of Canada and three countries in South America .

9,265

1,028

1

0

What states are in the Eastern Standard time zone?

Places that use Eastern Standard Time (EST) when observing standard time (autumn/winter) are 5 hours behind Coordinated Universal Time ().

9,266

1,028

2

0

What states are in the Eastern Standard time zone?

Eastern Daylight Time (EDT), when observing daylight saving time (spring/summer) is 4 hours behind Coordinated Universal Time ().

9,267

1,028

3

0

What states are in the Eastern Standard time zone?

In the northern parts of the time zone, during the second Sunday in March, at 2:00 a.m. EST, clocks are advanced to 3:00 a.m. EDT leaving a one hour "gap."

9,268

1,028

4

0

What states are in the Eastern Standard time zone?

During the first Sunday in November, at 2:00 a.m. EDT, clocks are moved back to 1:00 a.m. EST, thus "duplicating" one hour.

9,269

1,028

5

0

What states are in the Eastern Standard time zone?

Southern parts of the zone (Panama and the Caribbean) do not observe daylight saving.

9,270

1,029

0

what is an atomic number periodic table

Standard form of the periodic table.

9,271

1,029

1

0

what is an atomic number periodic table

The colors represent different categories of elements explained below.

9,272

1,029

2

0

what is an atomic number periodic table

The periodic table is a tabular display of the chemical elements , organized on the basis of their atomic numbers , electron configurations , and recurring chemical properties .

9,273

1,029

3

0

what is an atomic number periodic table

Elements are presented in order of increasing atomic number (number of protons).

9,274

1,029

4

0

what is an atomic number periodic table

The standard form of table comprises an 18 × 7 grid or main body of elements, positioned above a smaller double row of elements.

9,275

1,029

5

0

what is an atomic number periodic table

The table can also be deconstructed into four rectangular blocks: the s-block to the left, the p-block to the right, the d-block in the middle, and the f-block below that.

9,276

1,029

6

0

what is an atomic number periodic table

The rows of the table are called periods ; the columns of the s-, d-, and p-blocks are called groups , with some of these having names such as the halogens or the noble gases .

9,277

1,029

7

0

what is an atomic number periodic table

Since, by definition, a periodic table incorporates recurring trends , any such table can be used to derive relationships between the properties of the elements and predict the properties of new, yet to be discovered or synthesized, elements.

9,278

1,029

8

0

what is an atomic number periodic table

As a result, a periodic table—whether in the standard form or some other variant—provides a useful framework for analyzing chemical behavior, and such tables are widely used in chemistry and other sciences.

9,279

1,029

9

0

what is an atomic number periodic table

Although precursors exist, Dmitri Mendeleev is generally credited with the publication, in 1869, of the first widely recognized periodic table.

9,280

1,029

10

0

what is an atomic number periodic table

He developed his table to illustrate periodic trends in the properties of the then-known elements.

9,281

1,029

11

0

what is an atomic number periodic table

Mendeleev also predicted some properties of then-unknown elements that would be expected to fill gaps in this table.

9,282

1,029

12

0

what is an atomic number periodic table

Most of his predictions were proved correct when the elements in question were subsequently discovered.

9,283

1,029

13

0

what is an atomic number periodic table

Mendeleev's periodic table has since been expanded and refined with the discovery or synthesis of further new elements and the development of new theoretical models to explain chemical behavior.

9,284

1,029

14

0

what is an atomic number periodic table

All elements from atomic numbers 1 ( hydrogen ) to 118 ( ununoctium ) have been discovered or synthesized.

9,285

1,029

15

0

what is an atomic number periodic table

The elements from 1 to 98 ( californium ) have been found to exist naturally, although some are found only in trace amounts and were initially discovered by synthesis in laboratories.

9,286

1,029

16

0

what is an atomic number periodic table

The elements after 98 have only been synthesized in laboratories.

9,287

1,029

17

0

what is an atomic number periodic table

Production of elements beyond ununoctium is being pursued, with the question of how the periodic table may need to be modified to accommodate any such additions being a matter of ongoing debate.

9,288

1,029

18

0

what is an atomic number periodic table

Numerous synthetic radionuclides of naturally occurring elements have also been produced in laboratories.

1,024

102

0