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

Protons: Subatomic particles with a positive charge, also located in the nucleus of an atom.

Atomic Nucleus: The central part of an atom, composed mainly of protons and neutrons.

Isotopes: Variants of a particular chemical element which differ in neutron number.