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18 dic 1856 año - J.J. Thomson

Descripción:

J.J Thomson discovered the electron by experimenting with a crookes, or the cathode tube, He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

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22 oct 2018
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fecha:

18 dic 1856 año
Ahora mismo
~ 169 years ago