Under helium pressure, the researchers measured the energy—or rather, enthalpy—of electron separation from and accession to the atom, using these data to compute electronegativity and chemical ...

Electronegativity and ionization energy follow the same periodic table trend. Elements that have low ionization energies tend to have low electronegativities. The nuclei of these atoms don't exert a ...

Electronegativity is a fundamental concept in chemistry. Despite its importance, the experimental determination has been limited only to ensemble-averaged techniques. Here, we report a methodology ...