Question

Which of the following statements is correct ?

• A. Alkali metals are less electropositive than alkaline earth metals
• B. The alkaline earth metals are denser and harder than alkali metals
• C. The alkali metals are denser and harder than alkaline earth metals
• D. The first ionization potential of alkali metals is more than that of alkaline earth metals

Answer 1

Answer: (B)

Because these have small size and are closely packed in the crystal lattice