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1 janv. 1897 - J.J. Thomson

Description:

J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

Ajouté au bande de temps:

Andrew's atomic theory

ByAndrew
6 janv. 2020
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Date:

1 janv. 1897
Maintenaint
~ Il y a 128 ans
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