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JEE Main · Classification of Elements and Periodicity in Properties · Quiz

Classification of Elements and Periodicity in Properties — quick quiz

5 real JEE Main questions on Classification of Elements and Periodicity in Properties. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

Consider the ions: O²⁻, F⁻, Na⁺, and Mg²⁺. All are isoelectronic with 10 electrons. Which ion has the smallest ionic radius?