Technical Tools and Resources for Industrial Chemistry

In this section, we provide our partners and clients with quick reference tools to support their daily work in the chemical sector.

Mendeleev’s Periodic Table of Elements

The Periodic Table of Elements is the universal framework used to organize chemical elements based on their atomic number Z and the configuration of electrons across various atomic orbitals (s, p, d, f).

Historical Background

Devised in 1869 by the Russian chemist Dmitri Ivanovich Mendeleev and, simultaneously but independently, by the German chemist Julius Lothar Meyer, the table represented an unprecedented scientific revolution.

In its original formulation, Mendeleev intentionally left numerous empty spaces to accommodate elements that were not yet known but were predicted by his theory; many of these would eventually be discovered and isolated only in the second half of the 20th century, confirming the extraordinary intuition of its creator.