Cambridge Encyclopedia » Cambridge Encyclopedia Vol. 23

electronegativity - List of elemental electronegativity


A qualitative measure of the tendency to hold electrons, or to form the negative end of a dipole in a bond to other atoms. It is roughly proportional to the sum of the ionization energy and the electron affinity for an atom. A rough scale of values (suggested by Linus Pauling) is: F, 4; O, 3·5; Cl, 3·2; N,Br, 3; S,I, 2·7; C, 2·5; other non-metals 2–2·2; metals 1·0–1·8.

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