The Electron Affinity for Sodium Is 52 KJ Mol^-1 and the First

question 7

Multiple Choice

The electron affinity for sodium is 52 kJ mol^-1 and the first ionization energy for sodium is 496 kJ mol^-1. What is the change in energy for the following reaction?
2 Na(g) → Na⁺(g) + Na^-(g)

• A) -548 kJ mol^-1
• B) -496 kJ mol^-1
• C) -52 kJ mol^-1
• D) +444 kJ mol^-1
• E) +888 kJ mol^-1