Concept explainers
An alternative definition of electronegativity isElectronegativity=constant (I.E. −E.A.) where I.E. is the ionization energy and E.A. is the electronaffinity using the sign conventions of this book. Use datain Chapter 12 to calculate the (I.E. −E.A.) term for F, Cl,Br, and I. Do these values show the same trend as theelectronegativity values given in this chapter? The firstionization energies of the halogens are 1678, 1255, 1138,and 1007 kJ/mol, respectively. (Hint: Choose a constantso that the electronegativity of fluorine equals 4.0. Usingthis constant, calculate relative electro-negativities for theother halogens and compare to values given in the text.)

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Chapter 13 Solutions
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