Chemistry · Periodic Classification
What is the correct order of increasing ionic radii for the isoelectronic ions F-, Na+, O2-, Al3+, and Mg2+?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Al3+ < Na+ < O2- < F- < Mg2+
- 2O2- < F- < Al3+ < Na+ < Mg2+
- 3Al3+ < Na+ < Mg2+ < F- < O2-
- 4Al3+ < Mg2+ < Na+ < F- < O2-✓
Correct answer
Al3+ < Mg2+ < Na+ < F- < O2-
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