Thomson discovered a subatomic particle while working with the cathode ray tube. What is the particle known as?

1 Answer
Nov 1, 2016

Scientist J.J.Thomson discovered electrons #(e^-)#.

Explanation:

In the Cathode ray tube, a beam of cathode rays emitted from the Cathode. The ray was illuminating at a certain pressure. The cathode rays contained very small negatively charged subatomic particles called electrons #(e^-). #

Here is an image of a Cathode ray tube :
Collaborative Chemistry