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15 jul 1897 año - Cathode Ray Tube

Descripción:

J.J. Thompson discovered the electron, the first of the subatomic particles, using the cathode ray tube experiment. He found that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles.

Añadido al timeline:

Chemistry Timeline

ByPierce Billups
11 oct 2018
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fecha:

15 jul 1897 año
Ahora mismo
~ 128 years ago

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