key term - Neutrons

Definition

Neutrons are subatomic particles found in the nucleus of an atom. They have no electric charge and a mass slightly larger than that of a proton.

Related terms

Proton:

A positively charged particle located within the atomic nucleus.

Atomic Mass Unit (AMU): A unit of mass used to express atomic and molecular weights, roughly equivalent to the mass of one nucleon (either a proton or neutron).

Strong Nuclear Force: The force that acts between protons and neutrons in an atomic nucleus, overcoming electromagnetic repulsion and holding them together.