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1 gen 1887 anni - J.J. Thomson

Descrizione:

In 1897, 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.

Aggiunto al nastro di tempo:

atom timeline

ByShelby Swartzendruber
20 dic 2019
1
0
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Data:

1 gen 1887 anni
Adesso
~ 138 years ago
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