- Charge and Mass: An electron has a fundamental electric charge of approximately -1.602 x 10^-19 coulombs. Its mass is about 9.109 x 10^-31 kilograms, which is roughly 1/1836 the mass of a proton.
- Rest Energy: The rest energy of an electron, calculated using Einstein’s equation E=mc^2, is approximately 0.511 MeV (mega-electron volts).
Category: Facts
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Fundamental Properties