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1 ene 1887 año - J.J. Thomson

Descripción:

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.

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atom timeline

ByShelby Swartzendruber
20 dic 2019
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fecha:

1 ene 1887 año
Ahora mismo
~ 138 years ago
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