25 avr. 1856 - JJ Thomson
Description:
In 1897, J.J. Thomson discovered the electron. In addition, he also studied positively charged particles in neon gas.Experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.
Model- Plum Pudding Model
Ajouté au bande de temps:
Date:
25 avr. 1856
Maintenaint
~ Il y a 168 ans
