Write the charge and mass of an electron.

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(N/A) The charge of an electron is $-1.602 \times 10^{-19} \text{ C}$.
The mass of an electron is approximately $9.109 \times 10^{-31} \text{ kg}$,which is about $\frac{1}{1837}$ (often approximated as $\frac{1}{2000}$) times the mass of a proton.

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