--- ## Definition - Neutrons are subatomic particles that make up the nuclei of an atom. They have no charge and have slightly more mass and density then [[Protons]]. Elements that differ only in the number of neutrons are considered [[Isotopes]]. *Ex: Carbon - 12 vs Carbon - 14* --- ## Characteristics - The weight of a neutron is: $1.67 x 10e-7$ --- #subpage