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1 Jan 1894 Jahr - Sir William Ramsay and Lord Rayleigh discovered noble gases.

Beschreibung:

Sir William Ramsay and Lord Rayleigh discovered noble gases and added them to the periodic table. They grouped it as Group 0.

Zugefügt zum Band der Zeit:

The Historical Development of the Period Table

ByJoshua Martin

20 Jan 2020

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0

336

Datum:

1 Jan 1894 Jahr

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~ 131 years ago

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