The atomic radii of alkaline earth metals are smaller than those of the corresponding alkali metals. Explain why?

The atomic radii of alkaline earth metals are smaller than those of th

1.	The atomic radii of alkaline earth metals are smaller than those of the corresponding alkali metals. Explain why?
Answer» The atomic and ionic radii of the alkaline earth metals are smaller than those of the corresponding alkali metals in the same period because of the increased nuclear charge in there elements.