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7 янв 1858 г. - Alexandre-Emile Beguyer de Chancourtois

Описание:

De Chancourtois ordered the elements by increasing atomic weight and with similar elements lined up vertically.

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Periodic Table and Atomic Model Past

7 фев 2020

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Дата:

7 янв 1858 г.

Сейчас

~ 167 г назад

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