What Is The Most Massive Particle In An Atom?
What Is The Most Massive Particle In An Atom? Mass: The majority of an atoms’ mass comes from the protons and neutrons that make up its nucleus. … Protons have a mass that is 1,836 times that of the electron, at 1.6726×10– 27 kg, while neutrons are the most massive of the three, at 1.6929×10–