Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

All matter is made of what?

Back

Atoms.

Front

Particles in an atom that are neutral and have no charge are?

Back

Neutrons.

Front

True or False? Neutrons have a negative charge.

Back

False.

Front

Most of the mass in an atom is made up of _____________________?

Back

Protons and neutrons.

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.