Chemistry·MCQ Practice

Principal Quantum Number — MCQ Practice

NEET UG

Version 1Updated 21 Mar 2026

Explore This Topic

Definition Deep Explanation Core Principles NEET Importance Problem Strategy Practice Problems MCQ Practice Quick Revision

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1easy

Which of the following statements about the Principal Quantum Number (n) is INCORRECT?

Q2easy

An electron is in the M-shell. What is the value of its Principal Quantum Number (n)?

Q3medium

What is the maximum number of electrons that can be accommodated in the N-shell?

Q4medium

Which of the following sets of quantum numbers is NOT possible?

Q5hard

Which of the following orbitals has the highest energy in a multi-electron atom?

Q6medium

An electron in a hydrogen atom transitions from an excited state with $n=3$ to the ground state with $n=1$ . What is the energy of the emitted photon? (Given: Rydberg constant $R_H = 2.18 \times 10^{-18}$ J)