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With the increase in atomic weights, mel...

With the increase in atomic weights, melting points of the alkali metals

A

increase

B

decrease

C

remain constant

D

do not show definite trend

Text Solution

Verified by Experts

The correct Answer is:
B
Alkali metals have large size, the intermetallic bonds in them are quite weak. Hence, they have low melting and bolling points which decrease down the group with increase in the atomic size or atomic weight.
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