Comparing the masses—The protons and neutrons has about the same mass while the electron has a negligible.
Comparing the charges—The neutrons has no charge, while the protons and electrons have opposite charges that are the same in magnitude.
Comparing the masses—The protons and neutrons has about the same mass while the electron has a negligible.
Comparing the charges—The neutrons has no charge, while the protons and electrons have opposite charges that are the same in magnitude.