The following reaction can be written as the sum of two reactions, one of which relates to ionization energy and one of which relates to electron affinity:

Question

Li(g)+F(g)→Li+(g)+F−(g)

What is the reaction that corresponds to the first ionization energy of lithium, Li?

Express your answer as a chemical equation.

Answer 1

This is pretty basic stuff.
Li(g) ==> Li^+(g) + e
The equation in the problem doesn't have the electrons in it but that basic ionization equation is as I wrote it. Your answer key MAY omit the e that I have.