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Atomic Number, Mass Number, and Net Charge by Tyler Dewitt

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

According to the video, what is the atomic number?

a)

The number of neutrons in an atom

b)

The number of protons in an atom

c)

The number of electrons in an atom

d)

The number of protons plus neutrons in an atom

2.

How is the atomic number abbreviated?

a)

P

b)

Z

c)

A

d)

N

3.

What is the mass number?

a)

The number of protons in an atom

b)

The number of neutrons in an atom

c)

The number of electrons in an atom

d)

The number of protons plus neutrons in an atom

4.

How is the mass number calculated?

a)

By subtracting the number of protons from the number of neutrons

b)

By adding the number of protons and neutrons

c)

By multiplying the number of protons by the number of neutrons

d)

By dividing the number of protons by the number of neutrons

5.

What is net charge?

a)

The balance between the number of neutrons and protons in an atom

b)

The difference between the number of electrons and protons in an atom

c)

The overall mass of an atom

d)

The ability of an atom to form bonds with other atoms

6.

How do protons and electrons balance each other out in an atom?

a)

Protons have a positive charge and electrons have a negative charge

b)

Protons have a negative charge and electrons have a positive charge

c)

Protons and electrons have the same charge

d)

Protons and electrons have no charge

7.

What is an ion?

a)

An atom with a net charge

b)

An atom with no net charge

c)

A type of subatomic particle

d)

A unit of measurement for atomic mass