1 янв 1864 г. - Lothar Meyer(table)
Описание:
In 1864, he published The Modern Theory of Chemistry in which he published the use of atomic weights to group elements.In the work, he arranged 28 elements into 6 families that had similar chemical and physical traits.
His contribution was the use of valance, or combining power of an atom of a specific element.
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Дата:
1 янв 1864 г.
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~ 161 г назад