Which subatomic particles have approximately the same mass?
The masses of the subatomic particles are given below -
Subatomic particleMass (kg)Proton1.6726 × 10−27Neutron1.6749 × 10−27Electron9.1093 × 10−31
The mass of a proton is nearly same as the mass of a neutron, whereas the mass of an electron is nearly (11836)times that of the proton.