NCERT Exercise 3.12 - Classification of Elements and Periodicity in Properties

Question: For N3-, O2-, F-, Na+, Mg2+ and Al3+, state what is common and arrange increasing ionic radii.

Answer: All have 10 electrons. Increasing radius: Al3+ < Mg2+ < Na+ < F- < O2- < N3-.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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