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25 abr 1856 año - JJ Thomson

Descripción:

In 1897, J.J. Thomson discovered the electron. In addition, he also studied positively charged particles in neon gas.

Experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged.

Model- Plum Pudding Model

Añadido al timeline:

History of The Atomic Theory

BySkyler Piasecki
8 nov 2017
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fecha:

25 abr 1856 año
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~ 169 years ago

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