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1 gen 1894 anni - Sir William Ramsay and Lord Rayleigh discovered noble gases.

Descrizione:

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

Aggiunto al nastro di tempo:

The Historical Development of the Period Table

ByJoshua Martin

20 gen 2020

0

0

327

Data:

1 gen 1894 anni

Adesso

~ 131 years ago

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