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8 dic 1897 año - J. J. Thomson

Descripción:

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

Añadido al timeline:

Atomic Timeline

ByTrinity Johnson
27 sep 2018

fecha:

8 dic 1897 año
Ahora mismo
~ 126 years ago
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