Question

what is the difference between electronegativity and electron affinity

Answer 1

Electronegativity is the tendency of an atom of a element to attract the shared electrons....where as the electron affinity is the amount of energy required to drop an electron in the outermost shell of an atom of one mole isolated gaseous atom..

Answer 2

electronegativity is the ability of an atom to attract shared pair of electron and
electron affinity is the energy release when atom gain electron