30
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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20 fev 1932 ano - james chadwick
Descrição:
discovered the neutron
Adicionado na linha do tempo:
the atom
By
kfjjhdskjfhk
30 out 2017
0
0
333
Data:
20 fev 1932 ano
Agora
~ 92 years ago
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