Partial data for the electron affinities of Group 17 elements are shown below

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

Partial data for the electron affinities of Group 17 elements are shown below. Cl:

-349\,\text{kJ mol}^{-1}

Br:

-324\,\text{kJ mol}^{-1}

I: _____ At:

-270\,\text{kJ mol}^{-1}

Which of the following values is most consistent with the missing entry for iodine? (a)

-330\,\text{kJ mol}^{-1}

(b)

+20\,\text{kJ mol}^{-1}

(c)

-295\,\text{kJ mol}^{-1}

(d)

-250\,\text{kJ mol}^{-1}