Looking Back (Recall)

A subatomic particle with a positive charge.

• electron

• proton

• neutron

• nucleus

A subatomic particle with a no charge.

• proton

• electron

• neutron

• nucleus

A subatomic particle with a negative charge.

• proton

• nucleus

• neutron

• electron

Subatomic particles that are located inside the nucleus of an atom

• protons and electrons

• electrons and neutrons

• neutrons and protons

• electrons only

A subatomic particle that has a much lower mass than the other two subatomic particles.

• proton

• neutron

• nucleus

• electron