An electron has a charge of approximately:
A+1.6 × 10⁻¹⁹ C
B−1.6 × 10⁻¹⁹ CCORRECT
C0
D+1 C
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Why the answer is B, and why the others tempt you.
Electron charge = −1.6 × 10⁻¹⁹ coulombs (negative).
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