It is also called electronegativity. The ability of an atom in a molecule to attract electrons from other atoms to itself. L. Pauling first proposed the concept of electron-negativity, which represents the relative strength of the ability to attract electrons when two different atoms form chemical bonds. It is generally stipulated that the electron-negativity of lithium is 1 as the comparison standard. Thus, electron-negativity can be used as a scale to measure the chemical affinity between atoms.
Fundamental of Material Science -> Structural basis of materials