Which among the following elements has the largest atomic radii ?

Which one among the following species has the largest atomic radius:

Which one among the following species has the largest atomic radius:

Which one among the following species has the largest atomic radius:

Which one among the following species has the largest atomic radius ?

Which element has the largest atomic radius?

On the basis of their positions in the periodic table which among the following will have the largest atomic radii ? Be, N, O, Ne

On the basis of their positions in the periodic table which among the following will have the largest atomic radii ? Be, N, O, Ne