Which of the following pair of elements are from the same group of the periodic table

In the periodic table, the elements Ma and Sr belong to same group (IIA) with valency configuration ${\mathrm{ns}}^2$

Ex: Mg (Z= 12); Electronic configuration is $\left[\mathrm{Ne}\right]3s^2$

For Sr (Z =38); Electronic configuration is $\left[\mathrm{kr}\right]5s^2$