MDCAT Chemistry MCQ #918

Which property increases across a period but decreases down a group in the periodic table?

MDCAT Chemistry MCQ #918

  1. Question 1

    Q1. Which property increases across a period but decreases down a group in the periodic table?

    • A) Atomic radius
    • B) Electron affinity
    • C) Ionization energy
    • D) Metallic character

    Answer: Ionization energy

    Explanation: Ionization energy increases left-to-right due to higher effective nuclear charge but decreases down groups as atomic size increases.