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1 janv. 1912 - Bohr - 1912

Description:

Bohr was the first to discover that electrons travel in separate orbits around the nucleus and that the number of electrons in the outer orbit determines the properties of an element.

Ajouté au bande de temps:

10 oct. 2017
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Date:

1 janv. 1912
Maintenaint
~ Il y a 113 ans