Chemistry·MCQ Practice

Electronic Configuration — 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. 7 questions available.

Q1medium

Which of the following electronic configurations is an exception to the Aufbau principle and Hund's rule, and why?

Q2easy

What is the maximum number of electrons that can be accommodated in a subshell for which $n=3$ and $l=2$ ?

Q3easy

An element has an atomic number of 17. What is its correct electronic configuration?

Q4medium

Which of the following ions has an electronic configuration of $[Ar] 3d^6$ ?

Q5medium

How many unpaired electrons are present in a neutral atom of Sulfur (S), atomic number 16?

Q6medium

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

Q7medium

Which of the following elements is diamagnetic in its ground state?