Question

although,iodine is shiny it is considered as nonmetals.give reason
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Answer 1

Answer:

Lustre is basically due to free electrons. As we move down the group, the size of the atoms increases and more shells are added, so due to screening effect, effective nuclear charge is less and hence electrons are loosely bound. Therefore, iodine is lustrous.

hope it helps u!

Answer 2

Answer:

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