MDCAT Chemistry MCQ #855

Which quantum number determines the shape of an atomic orbital?

MDCAT Chemistry MCQ #855

  1. Question 1

    Q1. Which quantum number determines the shape of an atomic orbital?

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

    Answer: Azimuthal quantum number

    Explanation: Azimuthal quantum number (l) defines orbital shape: s (0), p (1), d (2), etc.