JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
The ionic radii of , , and are in the order :
- AF– > O2– > Na+ > Mg2+
- BMg2+ > Na+ > F– > O2–
- CO2– > F– > Mg2+ > Na+
- DO2– > F– > Na+ > Mg2+
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