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  • Why the melting point of alkali metals decreases down the group?Option: 1 Because of the single electron in outermost shell.  </di

Why the melting point of alkali metals decreases down the group?

Option: 1

Because of the single electron in outermost shell.

 


Option: 2

Because of the large atomic size.


Option: 3

Because of the small atomic size.

 


Option: 4

Because of the high energy of dissociation.


Answers (1)

best_answer

As we go down the group the size of the atom increases and hence the outermost electron is very loosely bound and leads to less metallic interaction. So, the melting point also decreases down the group.

 

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