The rest mass of the electron is 9.1093837015 × 10−31 kg, which is only 1/1,836the mass of a proton. An electron is therefore considered nearly massless in comparison with a proton or a neutron, and the electron mass is not included in calculating the mass number of an atom.
Do electrons have mass yes or no?
Electrons are a type of subatomic particle with a negative charge. ... Protons and neutrons have approximately the same mass, but they are both much more massive than electrons (approximately 2,000 times as massive as an electron). The positive charge on a proton is equal in magnitude to the negative charge on an electron.
Why does electrons have no mass?
tl;dr Electrons are fundamental particles and therefore have no volume. Interaction with the Higgs field (Higgs boson) gives the electron an attribute identical to mass (said another way, the Higgs field gives the electron its mass). Our common conception is that something has mass because it is made of stuff.
