Which of the following has the largest size?

The correct order of radii is

Which of the following options represents the correct ionic radii in $\mathring{A}$ of $N^{3-}, O^{2-}$ and $F^{-}$, respectively?

The statement$(s)$ that are correct about the species $O^{2-}$,$F^{-}$,$Na^{+}$,and $Mg^{2+}$.
$(A)$ All are isoelectronic
$(B)$ All have the same nuclear charge
$(C)$ $O^{2-}$ has the largest ionic radii
$(D)$ $Mg^{2+}$ has the smallest ionic radii
Choose the most appropriate answer from the options given below :

The ionic radii of $Li^{+}$,$Na^{+}$,and $K^{+}$ are in which of the following order?

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