Dear Sirs The question is arrange the given in increasing ionic radii.Na+, Li+, Mg2+, Be2+ (The given sequence is actually also the ansewer). While comparing Na+ and Mg2+ I know that Na+ is bigger as both are isoelectronic so Na+ (less atomic no.) will be greater.Same is the case with Li+ and Be2+ . But the problem arises when i compare Li+ and Mg2+. Although the correct answer says Li+ > Mg2+ but shouldn’t Mg2+ be biggger as it has one EXTRA shell with it..Please clarify Thanks
Dear Sirs
The question is arrange the given in increasing ionic radii.
Na+, Li+, Mg2+, Be2+ (The given sequence is actually also the ansewer).
While comparing Na+ and Mg2+ I know that Na+ is bigger as both are isoelectronic so Na+ (less atomic no.) will be greater.Same is the case with Li+ and Be2+ . But the problem arises when i compare Li+ and Mg2+. Although the correct answer says Li+ > Mg2+ but shouldn’t Mg2+ be biggger as it has one EXTRA shell with it..
Please clarify
Thanks