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8 dez 1897 ano - J. J. Thomson

Descrição:

He discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.

Adicionado na linha do tempo:

Atomic Timeline

ByTrinity Johnson
27 set 2018

Data:

8 dez 1897 ano
Agora
~ 126 years ago
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