The bond length in $Cl_2$ is $198 \ pm$. Calculate the atomic radius of chlorine. (in $pm$)

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

Which of the following properties show a gradual decrease with an increase in atomic number across a period in the periodic table?

Among the elements $Ca, Mg, P$ and $Cl,$ the order of increasing atomic radii is

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

Which of the following is the smallest in size?