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Q.

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

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a

Not present

b

Stronger

c

Volatile

d

Weaker

answer is A.

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Detailed Solution

Alkaline earth metals (ns2) are denser than alkali metal (ns1 ) because metallic bonding in alkaline earth metal is stronger. 

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