engineering chemistry MCQ #956

The principal quantum number (n) determines

engineering chemistry MCQ #956

  1. Question 1

    Q1. The principal quantum number (n) determines

    • A) energy level
    • B) shape of the orbital
    • C) size of the orbital
    • D) orientation of the orbital

    Answer: energy level

    Explanation: The principal quantum number (n) determines the energy level of the electron, with higher n corresponding to higher energy.