Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Classification of Elements and Periodicity in Properties Periodic Table
The correct order of increasing size for the ions F-, Na+, O2-, Al3+, Mg2+ is:
1
O2- < F- < Al3+ < Na+ < Mg2+
2
Al3+ < Na+ < Mg2+ < F- < O2-
3
Al3+ < Mg2+ < Na+ < F- < O2-
4
More than one of the above
5
None of the above