Question

What is the charge of a single electron?

Answer 1

Electron charge. Electron charge, (symbol e), fundamental physical constant expressing the naturally occurring unit of electric charge, equal to 1.6021765 × 10−19 coulomb, or 4.80320451 × 10−10 electrostatic unit (esu, or statcoulomb).

Answer 2

Since the value of the elementary charge is roughly 1.602 x 10-19 coulombs (C), then the charge of the electron is -1.602 x 10-19 C. When expressed in atomic units, the elementary charge takes the value of unity; i.e., e = 1. Thus, the electron's charge can be denoted by -e

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