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jan 1, 1932 - Découverte de neutrons et d'isotopes
Description:
James Chadwick découvre le neutron, expliquant ainsi la variation dans la masse d'éléments avec le même numéro atomique.
Added to timeline:
Ligne de temps électricité-atome-tableau périodique
By
David Crowley
23 Apr 2019
0
0
1738
Date:
jan 1, 1932
Now
~ 93 years ago
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