Neutron

Introduction
The neutron is a neutral charged subatomic particle, symbol n or n0, which has a mass slightly greater than that of a proton. Protons and neutrons make up the nuclei of atoms. The Neutron is 2 of 3 subatomic particles within The Atom. The Neutron was theorized in 1920 by New Zealand Physicist Enrest Rutherford and was discovered in 1932 by British Physicist James Chadwick. The Neutron has a 1.67492749804×10^-27 kilograms, an electric charge of 0 elementary charge and a mean life span of 881.8 s free.