Atomic Mass evaluator uses Atomic Mass = Total Mass of Proton+Total Mass of Neutron to evaluate the Atomic Mass, Atomic mass is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes. Atomic Mass is denoted by M symbol.
How to evaluate Atomic Mass using this online evaluator? To use this online evaluator for Atomic Mass, enter Total Mass of Proton (mp) & Total Mass of Neutron (mn) and hit the calculate button.