In 1862 Béguyer de Chancourtois published his classification of elements, the first to identify periodicity on the basis of atomic weight. This post discusses this discovery
Communicated on behalf of Eric Scerri // We are pleased to announce that the 29th annual conference of the International Society for the Philosophy of Chemistry (ISPC 2026) will be held from 29 to 31 July 2026 , at the University of California Los Angeles (UCLA) under the auspices of the UCLA Department of Chemistry & Biochemistry and the International Society for the Philosophy of Chemistry (ISPC). https://philosophyofchemistry.com/ We invite proposals addressing a diverse r
