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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 mar 1932 ano - James Chadwick discovered the neutron which would be the 3rd subatomic particle to be found.
Adicionado na linha do tempo:
chem 1
By
Richard Rowland
23 out 2018
0
0
257
Data:
23 mar 1932 ano
Agora
~ 93 years ago
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