William Ramsey suggest placing argon in separate group between chlorine and potassium (7 St. 22 Min, 1 Jan 1898 Jahr – 9 St. 12 Min, 31 Dez 1898 Jahr)
Beschreibung:
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.
Zugefügt zum Band der Zeit:
Datum:
7 St. 22 Min, 1 Jan 1898 Jahr
9 St. 12 Min, 31 Dez 1898 Jahr
~ 12 months
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