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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1940 ano - Seaborg Synthesised transuranic elements (the elements after uranium in the periodic table)
Adicionado na linha do tempo:
Contributions to Periodic table
By
Samuel Benjamin
13 fev 2020
0
0
223
Data:
1 jan 1940 ano
Agora
~ 85 years ago
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