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1 янв 1894 г. - Sir William Ramsay and Lord Rayleigh discovered noble gases.

Описание:

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

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The Historical Development of the Period Table

ByJoshua Martin

20 янв 2020

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1 янв 1894 г.

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~ 131 г назад

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