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3 ene 1897 año - Joseph Thompson discoveres the electron

Descripción:

With the Cathode Ray Tube experiment, he discovered that in the Atom there was a negative charge. He knew that opposite charges repel, so he put a magnet against the ray. With the positive side of the magnet, the ray got attracted, with the negative side of the magnet, the ray repeled.

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ByDiego
21 sep 2017
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3 ene 1897 año
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~ 128 years ago

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