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1 янв 1863 г. - John Newlands divided the new 53 elements into 11 groups.

Описание:

John Newlands was an English chemist who divided the new 53 elements into 11 groups based on their characteristics.

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The Historical Development of the Period Table

ByJoshua Martin

20 янв 2020

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1 янв 1863 г.

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~ 162 г назад

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