The Change in Energy for Which of the Following Processes

Multiple Choice

The change in energy for which of the following processes corresponds to the electron affinity of bromine?

A) Br₂(g) → 2Br(g)
B) Br(g) + e^-→ Br^-(g)
C) Br⁺(g) + Br^-(g) → Br₂(l)
D) Br(g) → Br⁺(g) + e^-
E) ​Br^-(g) → Br(g) + e^-