Atomic Structure and Math - Extra Practice

Front

What are the three main subatomic particles of an atom?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the atomic mass of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

If an atom has 12 protons, how many electrons does it need to be neutral?

Back

12 electrons.

Front

What is the atomic number of Boron?

Back

5.