# What is the mass of electrons?

$\to$ Relative mass $= \frac{1}{1837}$
$\to$ Absolute mass $= 9.109 \times {10}^{-} 28 g$
The electron is one of the lightest particle whose mass is about $\frac{1}{1837}$ times the mass of the hydrogen atom and it's absolute mass is $9.108 \times {10}^{-} 28 g$