Mass of electron 1 2000 July 8, 2019 16 32 64 128 Relative mass of electron 1 2000 The mass of an electron is about 1 2000 times that a proton The mass of an electron is about 1 2000 times Mass of 1 2000 amu proton neutron electron Does an electron have a mass of 1/2000 amu Mass of neutron Mass of 1 electron
