MDCAT Chemistry MCQ #975

What happens when an electron moves from n=2 to n=3 energy level in a hydrogen atom?

MDCAT Chemistry MCQ #975

  1. Question 1

    Q1. What happens when an electron moves from n=2 to n=3 energy level in a hydrogen atom?

    • A) Absorbs energy
    • B) Emits energy
    • C) Releases a photon
    • D) Decreases kinetic energy

    Answer: Absorbs energy

    Explanation: Energy absorption promotes electron to higher energy level. Emission (B/C) occurs during de-excitation.