The neutron and proton are both located in the nucleus of the atom whereas the electron is orbiting the nucleus. The average mass of the proton is 1.6726219 × 10-27 kilograms and the neutron is practically the same. The electron’s mass is 9.10938356 × 10-31 kilograms. The charge of the proton is +1e or 1.602x10-19 C and the neutron is neutral. The charge of an electron is 1.60217662 × 10-19 coulombs
