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12 avr. 1932 - James Chadwick discovered neutrons, particles whose mass was close to that of a proton

Description:

Neutrons are particles with a neutral charge. They and protons occupy the nucleus.

Ajouté au bande de temps:

15 mai 2018
0
0
313

Date:

12 avr. 1932
Maintenaint
~ Il y a 93 ans

Les images: