Periodic Table Exam

Question 1 of 19

1

was an ancient Greek philosopher known for his influence on modern science, believed that atoms were indivisible and indestructible

Select one of the following:

Mendeleev
Dalton
Democritus
Rutherford

Explanation

Question 2 of 19

1

unreactive in chemical reactions due to their full valence

Select one of the following:

halogens
alkali metals
noble gases
solids

Explanation

Question 3 of 19

1

the weighted average of the mass of the atoms in a naturally occurring sample of the element

Select one of the following:

atomic number
atomic mass
atomic size
electronegativity

Explanation

Question 4 of 19

1

the number of protons in the nucleus of an atom of that element

Select one of the following:

atomic mass
atomic number
mass number

Explanation

Question 5 of 19

1

unreactive in chemical reactions due to their full valence

Select one of the following:

halogens
alkali metals
noble gases
solids

Explanation

Question 6 of 19

1

a chemist who used the noble gases to explain why atoms form certain kinds of ions and molecules

Select one of the following:

Mendeleev
Dalton
Rutherford
Gilbert Lewis

Explanation

Question 7 of 19

1

17. groups 1A, 2A, and 3A--metals

Select one of the following:

Lose electrons
grow electrons
make electrons
gain electrons

Explanation

Question 8 of 19

1

groups 5A, 6A, and 7A--nonmetals

Select one of the following:

Lose electrons
grow electrons
make electrons
gain electrons

Explanation

Question 9 of 19

1

tiny central core of an atom composed of protons and neutrons

Select one of the following:

nucleus
neutron
orbitals
energy level

Explanation

Question 10 of 19

1

subatomic particles with no charge

Select one of the following:

protons
neutrons
electrons

Explanation

Question 11 of 19

1

subatomic particles with positive charge

Select one of the following:

protons
neutrons
electrons

Explanation

Question 12 of 19

1

subatomic particles with negative charge

Select one of the following:

protons
neutrons
electrons

Explanation

Question 13 of 19

1

The mass in an atom comes from both the ❌ and the ❌. Each particle is the equivalent of ❌ a.m.u. The electrons have almost ❌ mass.

Drag and drop to complete the text.

protons

neutrons

zero

one

Explanation

Question 14 of 19

1

If you have the mass number and the atomic number, you need to subtract the ❌, which represents the number of ❌, from the mass number to get the correct number of ❌.

Drag and drop to complete the text.

atomic number

protons

neutrons

Explanation

Question 15 of 19

1

If you have the mass number and the number of neutrons, you need to subtract the number of ❌ from the ❌ to get the correct number of ❌.

Drag and drop to complete the text.

neutrons

mass number

protons

Explanation

Question 16 of 19

1

Valence electrons are the electrons in the highest occupied energy level of an element's atoms, determines the properties of an element

Select one of the following:

True
False

Explanation

Question 17 of 19

1

isotopes are positively charged subatomic particles

Select one of the following:

True
False

Explanation

Question 18 of 19

1

a cation is an ion with a negative charge

Select one of the following:

True
False

Explanation

Question 19 of 19

1

❌ are atoms that have an unequal number of protons and ❌. If they are atoms that have lost electrons they are ❌ and are called ❌s. If they are atoms that have gained electrons, they are ❌ and are called ❌.

Drag and drop to complete the text.

Ions

electrons

positive

cation

negative

anions

	Created by Maureen Fonken about 7 years ago

9th grade Chemistry Quiz on Periodic Table Exam, created by Maureen Fonken on 13/02/2017.

Periodic Table Exam

Question 1 of 19

was an ancient Greek philosopher known for his influence on modern science, believed that atoms were indivisible and indestructible

Select one of the following:

Explanation

Question 2 of 19

unreactive in chemical reactions due to their full valence

Select one of the following:

Explanation

Question 3 of 19

the weighted average of the mass of the atoms in a naturally occurring sample of the element

Select one of the following:

Explanation

Question 4 of 19

the number of protons in the nucleus of an atom of that element

Select one of the following:

Explanation

Question 5 of 19

unreactive in chemical reactions due to their full valence

Select one of the following:

Explanation

Question 6 of 19

a chemist who used the noble gases to explain why atoms form certain kinds of ions and molecules

Select one of the following:

Explanation

Question 7 of 19

17. groups 1A, 2A, and 3A--metals

Select one of the following:

Explanation

Question 8 of 19

groups 5A, 6A, and 7A--nonmetals

Select one of the following:

Explanation

Question 9 of 19

tiny central core of an atom composed of protons and neutrons

Select one of the following:

Explanation

Question 10 of 19

subatomic particles with no charge

Select one of the following:

Explanation

Question 11 of 19

subatomic particles with positive charge

Select one of the following:

Explanation

Question 12 of 19

subatomic particles with negative charge

Select one of the following:

Explanation

Question 13 of 19

The mass in an atom comes from both the ❌ and the ❌. Each particle is the equivalent of ❌ a.m.u. The electrons have almost ❌ mass.

Drag and drop to complete the text.

Explanation

Question 14 of 19

If you have the mass number and the atomic number, you need to subtract the ❌, which represents the number of ❌, from the mass number to get the correct number of ❌.

Drag and drop to complete the text.

Explanation

Question 15 of 19

If you have the mass number and the number of neutrons, you need to subtract the number of ❌ from the ❌ to get the correct number of ❌.

Drag and drop to complete the text.

Explanation

Question 16 of 19

Valence electrons are the electrons in the highest occupied energy level of an element's atoms, determines the properties of an element

Select one of the following:

Explanation

Question 17 of 19

isotopes are positively charged subatomic particles

Select one of the following:

Explanation

Question 18 of 19

a cation is an ion with a negative charge

Select one of the following:

Explanation

Question 19 of 19

❌ are atoms that have an unequal number of protons and ❌. If they are atoms that have lost electrons they are ❌ and are called ❌s. If they are atoms that have gained electrons, they are ❌ and are called ❌.

Drag and drop to complete the text.

Explanation