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15 jan 1894 ano - Sir William Ramsay and Lord Rayleigh discovered the noble gases and they were added to the periodic table as group O.
Adicionado na linha do tempo:
History of the Periodic Table
By
lily heavner
3 out 2017
0
0
432
Data:
15 jan 1894 ano
Agora
~ 130 years ago
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