MDCAT Chemistry MCQ #901

Which quantum number has only two possible values?

MDCAT Chemistry MCQ #901

  1. Question 1

    Q1. Which quantum number has only two possible values?

    • A) Spin
    • B) Principal
    • C) Azimuthal
    • D) Magnetic

    Answer: Spin

    Explanation: Spin quantum number (ms) is ±½. Principal quantum number is integer ≥1.