chemistry Why the electron affinity or electron gain enthalpy of Chlorine is higher than Fluorine ? Even if Fluorine is most electronegative element. By ankushmaster on January 8, 2021March 19, 2021 chlorine shows exceptionally higher electron gain enthalpy than that of florine. Posted in: affinity, chlorine, electron, florine, Fluorine, higher, how, is, of, than, why One comment