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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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7 jan 1894 ano - William Ramsay discovers the Noble Gases
Adicionado na linha do tempo:
Periodic Table Timeline
By
E
10 out 2017
0
0
574
Data:
7 jan 1894 ano
Agora
~ 131 years ago
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