Chemistry·MCQ Practice

Quantum Numbers — MCQ Practice

NEET UG

Version 1Updated 21 Mar 2026

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

Q1medium

Which of the following sets of quantum numbers is NOT allowed for an electron in an atom?

Q2easy

What is the maximum number of electrons that can be accommodated in a subshell for which $n=3$ and $l=1$ ?

Q3easy

An electron is in a $4f$ orbital. What are the possible values for its principal, azimuthal, and magnetic quantum numbers?

Q4medium

How many orbitals are possible in the $n=3$ main energy shell?

Q5easy

Which quantum number primarily determines the shape of an atomic orbital?

Q6medium

What is the maximum number of electrons in an atom that can have the quantum numbers $n=3, l=2$ ?