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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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13 jan 1940 ano - Edwin McMillan and Philip H. Abelson identify neptunium, the lightest and first synthesizes transuranium element, found in the products of uranium fission.
Adicionado na linha do tempo:
Periodic Table Timeline
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10 out 2017
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Data:
13 jan 1940 ano
Agora
~ 85 years ago
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