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13 janv. 1897 - jj thompson
Description:
J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.
Ajouté au bande de temps:
atomic theory
By
abdelrahman nassar
28 sept. 2018
0
0
281
Date:
13 janv. 1897
Maintenaint
~ Il y a 127 ans
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