Consider the isoelectronic species Na^(+), Mg^(2+),F^(-) and O^(2-).The correct order of increasing length of their radii is:

Consider the isoelectronic species Na^(+), Mg^(2+),F^(-) and O^(2-).Th

1.	Consider the isoelectronic species Na^(+), Mg^(2+),F^(-) and O^(2-).The correct order of increasing length of their radii is:
Answer» `F^(-)ltO^(2-)ltMg^(2+)ltNa^(+)` `Mg^(2+)ltNa^(+)LTF^(-)ltO^(2-)` `O^(2-)ltF^(-)ltNa^(+)ltMg^(2+)` `O^(2-)ltF^(-)ltMg^(2+)ltNa^(+)` ANSWER :b