MDCAT Chemistry MCQ #931

Which trend explains the lower electron affinity of noble gases compared to halogens?

MDCAT Chemistry MCQ #931

  1. Question 1

    Q1. Which trend explains the lower electron affinity of noble gases compared to halogens?

    • A) Noble gases have filled valence shells
    • B) Halogens have higher ionization energy
    • C) Noble gases have smaller atomic radii
    • D) Halogens exhibit metallic properties

    Answer: Noble gases have filled valence shells

    Explanation: Filled shells make electron addition unfavorable (A). Halogens lack filled shells (C is incorrect).