key term - Neutron

Definition

A neutron is a subatomic particle that has no charge and is found in the nucleus of an atom.

Related terms

Proton:

A positively charged subatomic particle found in the nucleus.

Electron:

A negatively charged subatomic particle that orbits around the nucleus.

Isotope: Atoms with different numbers of neutrons but same number of protons, resulting in variations in atomic mass.