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8 déc. 1897 - J. J. Thomson
Description:
He 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:
27 sept. 2018
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Atomic Timeline
Date:
8 déc. 1897
Maintenaint
~ Il y a 126 ans