Atomic and Ionic Radii

Select the lesser of each of the following pairs of radii.

The covalent radius of $Te$

The covalent radius of $Sr$

The covalent radius of $Ge$

The covalent radius of $C$

The metallic radius of $Mg$

The metallic radius of $Al$

The ionic radius of $C{l}^{-}$

The ionic radius $F^{-}$

The ionic radius of $O^{2-}$

The ionic radius of $N^{3-}$