Q. Alkaline earth’s metals are denser than alkali metals, because metallic bonding in alkaline earth’s metal is

 1900  179 UPSEEUPSEE 2012The s-Block Elements Report Error

Solution:

Alkaline earth metals are denser than alkali metals because metallic bonding in alkaline earth metals is stronger than alkali metals due to presence of two electrons in valence shell as compared to one electron in alkali metals.