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24 juill. 1974 - James Chadwick born in Bollington, UK August 15, 1892
Description:
Discovered that neutrons aren't positive or negative and have a similar weight as a protons.
Ajouté au bande de temps:
24 sept. 2017
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Chem Key timeline
Date:
24 juill. 1974
Maintenaint
~ Il y a 49 ans
Les images: