Rest mass

Energy

Charge

Reference

Free moving electron or positron

9.10938188E−31 kg

0.511 MeV

±1 =

1.602176462E−19 C

[21]

Electromagnetically stressed positron

1 in the neutron

2 in the proton

2.049610923E−30 kg

1.1497473 MeV

+2/3 =

1.068117641E−19 C

[22]

Electromagnetically stressed electron

2 in the neutron

1 in the proton

8.198443693E−30 kg

4.59899 MeV

−1/3 =

5.340588207E−20 C

[22]