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1 janv. 1932 - James Chadwick

Description:

Chadwick discovered the atomic neutrons and how they contribute to atomic weight and atomic mass. Before this, scientists thought atoms were just made of protons and electrons.

Ajouté au bande de temps:

Time Tree - Atomic theory Thade

ByThade
2 janv. 2020

Date:

1 janv. 1932
Maintenaint
~ Il y a 92 ans
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