`Mg^(+2),Al^(+3)` have identical____

Mg^(2+) and Al^(3+) have same

(A) : Mg^(2+) and Al^(3+) are isolectronic but the magnitude of ionic radius of Al^(3+) is less than that in Mg^(2+) . (R ) : The effective nuclear charge on the outermost electrons in Al^(3+) is greater than that in Mg^(2+) .

Li^(+),Mg^(2+),K^(+),Al^(3+) (Arrange in increasing order of radii)

Li^(+),Mg^(2+),K^(+),Al^(3+) (Arrange in increasing order of radii)

N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) Arrange them in the order of increasing ionic radii.

N^(3-),O^(2-),F^-,Na^+, Mg^(2+),Al^(3+) what is comman in them ?

The ions O^(2-), F^(-),Na^(+),Mg^(2+) and Al^(3+) are isoelectric. Their radii show

Which of the following species will have the largest and smallest size Mg,Mg^(2+),Al,Al^(3+) ? Give reason.