Quiz about History and Organization of the Periodic Table Test

Question 1

What did Dmitri Mendeleev notice about certain groups of elements?

Accepted Answer

They had similar properties

Answer

They were all metals

Answer

They were all gases

Answer

They were all radioactive

Question 2

How was Mendeleev able to predict the placement of future elements?

Accepted Answer

By observing repeating patterns in the properties of elements

Answer

By guessing randomly

Answer

By using a computer

Answer

By following alphabetical order

Question 3

What did Henry Moseley discover that changed the organization of the periodic table?

Accepted Answer

A way to quantitatively find the atomic number of an element

Answer

A way to make gold from lead

Answer

A method to measure temperature

Answer

A new type of element

Question 4

What does the Periodic Law state?

Accepted Answer

Patterns of properties within a period repeat as you move from one period to the next

Answer

All elements are metals

Answer

Elements are arranged by color

Answer

Elements are grouped by size

Question 5

What is true about the properties of elements to the left or right of each other on the periodic table?

Accepted Answer

They have different properties

Answer

They are always the same element

Answer

They are always gases

Answer

They are always radioactive

Question 6

What does the periodic table compile?

Accepted Answer

All the discovered elements

Answer

All the discovered compounds

Answer

All the discovered molecules

Answer

All the discovered atoms

Question 7

What property do metals generally have?

Accepted Answer

Good conductors of heat/electricity, high luster, ductile/malleable

Answer

Poor conductors of heat/electricity, brittle

Answer

Properties vary more among them

Answer

Behavior depends on conditions

Question 8

Which group of elements displays a wide range of chemical and physical properties?

Accepted Answer

Representative Elements

Answer

Alkali Metals

Answer

Transition Metals

Answer

Nonmetals

Question 9

Which group do alkaline earth metals belong to?

Accepted Answer

Group 2A

Answer

Group 1A

Answer

Group 7A

Answer

Group 3A

Question 10

What is a property of transition metals?

Accepted Answer

They are group B elements usually displayed in the main body of the periodic table

Answer

They are always gases at room temperature

Answer

They are always nonmetals

Answer

They are always found in group 1A

Question 11

Which of the following groups contains elements known as Inner Transition Metals?

Accepted Answer

Group B elements that appear below the main body of the periodic table

Answer

Group 7A elements

Answer

Group 8A elements

Answer

Group 1A elements

Question 12

Which of the following best describes inner electrons in an atom?

Accepted Answer

Present in the lower energy levels up to the previous noble gas or any completed transition metal series

Answer

Present in the highest energy level of an atom

Answer

Involved in compound formation

Answer

Only found in transition metals

Question 13

What is the total number of outer electrons in a calcium atom?

Accepted Answer

2

Answer

8

Answer

18

Answer

6

Question 14

For main group elements, how is the number of valence electrons determined?

Accepted Answer

By the group number in the periodic table

Answer

By subtracting inner electrons from total electrons

Answer

By counting only the electrons in the d subshell

Answer

By the atomic number

Question 15

Why does the atomic radius increase as you move down a group?

Accepted Answer

Because the number of occupied energy levels increases

Answer

Because the number of neutrons decreases

Answer

Because the atomic mass decreases

Answer

Because the electrons move closer to the nucleus

Question 16

As the atomic number increases across a period, what is true about the number of protons and electrons?

Accepted Answer

Each element has one more proton and electron than the preceding element

Answer

Each element has one less proton and electron than the preceding element

Answer

The number of protons and electrons stays the same

Answer

The number of protons increases, but electrons decrease

Question 17

What is electronegativity?

Accepted Answer

The measure of an atom's tendency to attract and form bonds with electrons.

Answer

The ability of an atom to lose protons.

Answer

The number of neutrons in an atom.

Answer

The speed at which electrons move around the nucleus.

Question 18

Which property is responsible for the existence of electronegativity in atoms?

Accepted Answer

Electronic configuration

Answer

Atomic mass

Answer

Number of isotopes

Answer

Melting point

Question 19

What happens to atomic radius as you move down a group in the periodic table?

Accepted Answer

It increases

Answer

It decreases

Answer

It stays the same

Answer

It becomes zero

Question 20

What is the noble gas shorthand electron for Sulfur atom?

Accepted Answer

[Ne] 3s²3p⁴

Answer

[Ar] 3p4

Answer

[He] 3s²3p⁴

Answer

[Na] 3s²3p⁴

Question 21

What atom matches this electron configuration?
1s²2s²2p⁶3s²

Accepted Answer

Magnesium

Answer

Neon

Answer

Aluminum

Answer

Potassium

Question 22

What is the electronic configuration of sodium?

Accepted Answer

Both A and B are correct

Answer

1s²2s²2p⁶3s¹

Answer

[Ne]3s1

Answer

1s²2s²2p⁷

Question 23

What is the electronic configuration of iron?

Accepted Answer

1s²2s²2p⁶3s²3p⁶4s²3d⁶

Answer

1s²2s²2p⁶3s²3p⁶3d⁸

Answer

1s²2p⁶3s²3p⁶4s²3d⁶

Answer

1s²2s²2p⁶3s²3p⁶4s¹3d⁶

Question 24

Who discovered the electron?

Accepted Answer

J.J. Thomson

Answer

James Chadwick

Answer

Ernest Rutherford

Answer

Niels Bohr

Question 25

Who discovered the proton?

Accepted Answer

Ernest Rutherford

Answer

J.J. Thomson

Answer

James Chadwick

Answer

Niels Bohr

Question 26

Who discovered the neutron?

Accepted Answer

James Chadwick

Answer

Ernest Rutherford

Answer

Niels Bohr

Answer

JJ Thompson

Question 27

Who discovered the atom model that replicates our solar system?

Accepted Answer

Niels Bohr

Answer

Ernest Rutherford

Answer

James Chadwick

Answer

J.J. Thomson

Question 28

What was john Dalton's 1st postulate?

Accepted Answer

All matter is made up of indivisible particles called atoms.

Answer

Atoms can be created and destroyed in chemical reactions.

Answer

All matter is composed of elements and compounds.

Answer

Different atoms can combine to form molecules of any size.

Question 29

What was john Dalton's 2nd postulate?

Accepted Answer

All atoms of a given element are identical in mass and properties.

Answer

Atoms of different elements are identical in mass.

Answer

Atoms can be created or destroyed in chemical reactions.

Answer

All atoms of a given element have different masses.

Question 30

What was john Dalton's 3rd postulate?

Accepted Answer

Compounds are formed when atoms of different elements combine in simple whole number fixed ratios.

Answer

Atoms can be created or destroyed in chemical reactions.

Answer

Elements can combine in any ratio to form compounds.

Answer

All elements are made of identical atoms.

Question 31

What was john Dalton's 4th postulate?

Accepted Answer

Different Elements have different properties.

Answer

Atoms can be created or destroyed in chemical reactions.

Answer

All elements are made of identical atoms.

Answer

Elements can exist in multiple forms without changing their properties.

Question 32

What was john Dalton's 5th postulate?

Accepted Answer

Atoms of different elements can combine in simple whole-number ratios to form compounds.

Answer

Atoms cannot be created or destroyed in a chemical reaction.

Answer

All atoms are identical in mass and properties.

Answer

Compounds can only form from atoms of the same element.

History and Organization of the Periodic Table Test

35 questions

What did Dmitri Mendeleev notice about certain groups of elements?

What was the main idea behind Mendeleev’s periodic table?

How was Mendeleev able to predict the placement of future elements?

What did Henry Moseley discover that changed the organization of the periodic table?

What does the Periodic Law state?

What is true about the properties of elements to the left or right of each other on the periodic table?

What does the periodic table compile?

What property do metals generally have?

Which group of elements displays a wide range of chemical and physical properties?

Which group do alkaline earth metals belong to?

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