Teaching UP PGT Mock Test Series 2024 Chemistry Classification of Elements and Periodicity in Properties Periodicity In Properties
Consider the isoelectronic species, Na+, Mg2+, F– and O2–. The correct order of increasing length of their radii is _________.
1
F- < O2– < Mg2+ < Na+
2
Mg2+ < Na+ < F– < O2–
3
O2– < F– < Na+ < Mg2+
4
O2– < F– < Mg2+ < Na+