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13 dic 1897 año - J.J thomson cathode ray tube experiment- electron, the first of the subatomic particlescathode rays were made of electrons, very small negatively charged particles.

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atomic time line

ByJuliana Darragh
19 oct 2018
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0
257

fecha:

13 dic 1897 año
Ahora mismo
~ 126 years ago

Fotos:

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