1 gen 1864 anni - Lothar Meyer(table)

Descrizione:

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.

Aggiunto al nastro di tempo:

Data:

Immagini: