Question

Name the discoverer of electron.

Answer 1

Electron is discovered by J.J Thomson in the year 1897 with the help of a cathode ray experiment. Electrons are the sub-atomic particles that have the magnitude of the charge of $-1$. The mass of the electron is $9.11\times {10}^{-31}\mathrm{Kg}$ and it is negligible as compared to the mass of the proton.