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1 janv. 1912 - J.J. Thomson discovered neon was composed of two different kinds of atoms, and proved the existence of isotopes in a stable element.

Ajouté au bande de temps:

History of an Atom

ByDaniel Park
6 nov. 2017

Date:

1 janv. 1912
Maintenaint
~ Il y a 112 ans
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