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1 janv. 1932 - James Chadwick

Description:

James Chadwick, 1932 English Physicist confirmed the existence of another subatomic particle, the neutron. The neutron has the mass of a proton but no charge.

Ajouté au bande de temps:

Date:

1 janv. 1932
Maintenaint
~ Il y a 93 ans

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