Which of the following describes an exothermic electron affinity process?
1
\((\text{F} + \text{e}^- \rightarrow \text{F}^-)\)
2
\((\text{Na}^+ + \text{e}^- \rightarrow \text{Na})\)
3
\((\text{I}_2 \rightarrow 2\text{I}^{-}) \)
4
\((\text{Ne} + \text{e}^- \rightarrow \text{Ne}^-)\)