MDCAT Chemistry MCQ #940

What property differentiates paramagnetic and diamagnetic substances?

MDCAT Chemistry MCQ #940

  1. Question 1

    Q1. What property differentiates paramagnetic and diamagnetic substances?

    • A) Presence of unpaired electrons
    • B) Strength of metallic bonding
    • C) Number of protons
    • D) Atomic mass

    Answer: Presence of unpaired electrons

    Explanation: Paramagnetism requires unpaired electrons (A). Diamagnetism has all electrons paired.