van Arkel–Ketelaar triangle

English

A van Arkel–Ketelaar triangle

Etymology

Named after Dutch chemists Anton Eduard van Arkel and J. A. A. Ketelaar.

Noun

van Arkel–Ketelaar triangle (plural van Arkel–Ketelaar triangles)

1. (chemistry) A triangle which can be used to organize chemical compounds by the degree of metallic, ionic, or covalent character of their bonds.