defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Chemistry Classification of Elements and Periodicity in Properties Periodicity In Properties
The correct order of ionic radii of the species N3–, O2–, Na+ and F– is
1
Na+ < F– < O2– < N3–
2
F– < O2– < N3– < Na+
3
O2– < N3– < F– < Na+
4
N3– < Na+ < F– < O2–