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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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30 dez 1931 ano - James Chadwick discovers the neutron in atoms. (1932)
Adicionado na linha do tempo:
Chemistry
By
obenma
12 nov 2019
0
0
321
Data:
30 dez 1931 ano
Agora
~ 92 years ago
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