William Ramsey suggest placing argon in separate group between chlorine and potassium (7 ore 22 min, 1 gen 1898 anni – 9 ore 12 min, 31 dic 1898 anni)
Descrizione:
Chemically inert- did not fit with other elements on the table because had no leftover valence electrons.
Ramsey correctly predicted discovery of Neon, and it's properties.
Aggiunto al nastro di tempo:
Data:
7 ore 22 min, 1 gen 1898 anni
9 ore 12 min, 31 dic 1898 anni
~ 12 months
Immagini:
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