Question

Alkaline earth metals are denser than alkali metals, because metallic bonding in alkaline earth metals, is

• A. stronger
• B. weaker
• C. volatile
• D. not present

Answer 1

Answer: (A)

Alkaline earth metals $(n{s}^2)$ are denser than alkali metals $(n{s}^1)$ 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.