galaxaura
Mendeleev placed the Nobel Gases, helium and argon, in his Periodic Table in 1902.
Dmitri Mendeleev
Later predictions
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replied to: galaxaura
crazyman2
Replied to: Mendeleev placed the Nobel Gases, helium and argon, in his Periodic...
He published A Chemical Conception of the Ether in 1904. This cleared up many of the tangles in physics at the time.