MDCAT Chemistry MCQ #903

Which statement correctly compares Bohr and quantum mechanical models?

MDCAT Chemistry MCQ #903

  1. Question 1

    Q1. Which statement correctly compares Bohr and quantum mechanical models?

    • A) Bohr: fixed electron paths; Quantum: probability clouds
    • B) Bohr: electrons in nucleus; Quantum: electrons outside
    • C) Bohr: energy levels are continuous
    • D) Quantum model lacks quantized energy

    Answer: Bohr: fixed electron paths; Quantum: probability clouds

    Explanation: Bohr assumed defined orbits. Quantum model uses probability distributions.