MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryPeriodic PropertiesAtomic radius
The correct order of ionic size of N3–, Na+, F–, Mg2+ and O2–is:
A.Mg2+> Na+> F–> O2–< N3–
B.N3–< F–> O2–> Na+> Mg2+
C.Mg2+< Na+< F–< O2–< N3–✓ Correct
D.N3–> O2–> F–> Na+< Mg2+
Explanation
Isoelectronic species, ionic Radius is inversely proportional to Atomic number. Ionic radii is 3 2 2 N O F Na Mg
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