What is the charge on an electron ?

$1.6 * 10^{-19}$ $-1.6 * 10^{-19}$ $1.6 * 10^{19}$ $-1.6 * 10^{19}$

$-1.6 * 10^{-19}$

The magnitude of charge on the electron is $1.6 * 10^{-19}$. The exact charge on electron is $-1.6 * 10^{-19}$