Question

DISCOVERY OF ELECTRON​

Answer 1

Answer:

Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray. Thomson won Nobel Prize in 1906 for discovering the elementary particle electron

Answer 2

Answer:

Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray.

Explanation:

In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. Thomson realized that the accepted model of an atom did not account for negatively or positively charged particles.