A. choose the best response for the following. the ionization energy for the chlorine atom is equal in magnitude to the electron affinity for a) cl- ion b) cl+ ion c) f atom d) cl atom e) none of these b. choose the best explanation for this. a) the electron affinity can’t be determined without detecting the ionization energy. b) these energies are equal for all forms of the same element. c) electron affinity doesn’t exist for these substances. d) two particles participate in the same process, both energies being involved. submit answertry