Chemistry·MCQ Practice

Classification of Elements and Periodicity in Properties — 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.

Q1easy

Which of the following orders of atomic radii is correct?

Q2medium

Which of the following elements has the highest first ionization enthalpy?

Q3medium

Which of the following is the correct order of ionic radii for the isoelectronic species $N^{3-}, O^{2-}, F^{-}, Na^{+}$ ?

Q4medium

Which of the following statements regarding electron gain enthalpy is incorrect?

Q5easy

Which of the following elements has the highest electronegativity?

Q6easy

Which of the following pairs of elements would you expect to have similar chemical properties?

Q7easy

Which of the following statements is correct regarding the metallic character of elements?