Atoms Vocabulary

Front

The smallest unit of matter.

Back

atom

Front

Protons, neutrons, and electrons are --

Back

subatomic particles

Front

The center of an atom --

Back

nucleus

Front

Which subatomic particle has a POSITIVE charge?

Back

proton

Front

Which 2 subatomic particles are in the NUCLEUS?

Back

protons and neutrons

Front

Where are ELECTRONS located?

Back

energy levels

Front

A substance made of only one kind of atom.

Back

element

Front

Which subatomic particle has a NEGATIVE charge?

Back

electron

Front

Does a neutron have a charge?

Back

No, a neutron does not have a charge.

Front

"does not have a charge"

Back

neutral