2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/86110In the framework of density functional theory a new formulation of electronegativity that recovers the Mulliken definition is proposed and its reliability is checked by computing electronegativity values for a large number of elements. It is found that the obtained values, which are compared with previously proposed electronegativity scales, fulfill the main periodic criteria.20 pages, 1 figure, 1 tableChemical PhysicsAtomic Physicstext