The correct order of ionic size of N 3– , Na + , F – , Mg 2+ and O 2– is :

Chemistry · JEE Main · NTA ExamsClassification of Elements and Periodicity in Properties

The correct order of ionic size of N3–, Na+, F, Mg2+ and O2– is :
  1. Mg2+ > Na+ > F > O2– < N3–
  2. N3– < F > O2– > Na+ > Mg2+
  3. Mg2+ < Na+ < F < O2– < N3–
  4. N3– > O2– > F > Na+ < Mg2+

Answer

(C) Mg 2+ + – 2– 3–

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