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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 dez 1931 ano - James Chadwick - Confirms the existence of neutrons, which have no charge. Atomic nuclei contain neutrons and positively charged protons.
Adicionado na linha do tempo:
Chemistry timeline
By
Krysten Thompson
8 nov 2017
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0
365
Data:
28 dez 1931 ano
Agora
~ 93 years ago
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