Chemistry·MCQ Practice

Electronic Configuration — MCQ Practice

NEET UG

Version 1Updated 22 Mar 2026

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

Q1easy

Which of the following electronic configurations represents an alkali metal?

Q2medium

Which of the following elements would have the lowest first ionization enthalpy?

Q3easy

An element has the electronic configuration $[Ar] 4s^1$ . What is its atomic number and to which block does it belong?

Q4medium

Which of the following statements about the electronic configuration of alkali metals is INCORRECT?

Q5easy

Which of the following elements has the electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^6 4s^1$ ?

Q6medium

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