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Chemistry > Electron, Proton and Neutron Data

The table below shows the relative measurements of electrons, protons and neutrons.

  Electron Proton Neutron
Rest mass [kg] 9.1093897 × 10−31 1.6726231 × 10−27 1.6749286 × 10−27
Molar mass [kg/mol] 5.4857990 × 10−7 1.0072765 × 10−3 1.0086649 × 10−3
Charge [C] −1.602177 × 10−19 +1.602177 × 10−19 0.0
Specific Charge [C/kg] −1.7588196 × 1011 9.5788309 × 107 0.0
Radius [m] less than 10−16 8 × 10−16 8 × 10−16
Spin quantum number 1/2 1/2 1/2
Magnetic moment [J/T] 928.477 × 10−26 1.41061 × 10−26 0.966237 × 10−26
Compton wavelength [m] 2.42631 × 10−12 1.32141 × 10−15 1.31959 × 10−15