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With the increase in atomic weights,melt...

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

A

increase

B

decrease

C

remains constant

D

do not show definite trend

Text Solution

Verified by Experts

The correct Answer is:
B
Alkali metals possess very low melting and boiling points because of weak metallic bond. Melting and boiling points go on decreasing moving down the group from Li to Cs. It is due to decreasing metallic bond strength.
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