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1 janv. 1920 - James Chadwick

Description:

He discovered the neurons in the nucleus of an atom.
He knew that most of the mass of the atom was located in a nucleus at its center, and that this central core contained protons.

Ajouté au bande de temps:

7 oct. 2018
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327

Date:

1 janv. 1920
Maintenaint
~ Il y a 105 ans