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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 169 ans

Les images: