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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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30 abr 1913 ano - 1913 Niels Bohr Electrons had different energy levels
Adicionado na linha do tempo:
chemistry
By
D'Kerrington Traylor
19 set 2017
0
0
548
Data:
30 abr 1913 ano
Agora
~ 112 years ago
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