Which of the following has the largest ionic radius?

The increasing order of atomic radii of the following Group $13$ elements is:

The element expected to form the largest ion to achieve the nearest noble gas configuration is

Which of the following is the incorrect order of ionic/atomic radius?

Which of the following ions is the smallest in size?

From the given set of species,point out the species from each set having the least atomic radius.
$A. F^{-}, Na^{+}, Mg^{+2}$
$B. Ni, Cu, Zn$
$C. N^{-3}, Cs^{+}, H^{-}$
$D. Li, He, Be^{+2}$