Question

Iodine is lustrous or non lustrous. Give reason for your answer?

Answer 1

Answer:

Yes Iodine is lustrous

Its because going down the group the size of the atom increases because of shielding effect due to which the interaction between the atom and the outermost electron decreases so these electrons on the surface of iodine become excited by absorbing heat energy from light so when they release this energy and come to their normal state, they emit this light so it appears that they have lustrous surface.

Explanation:

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Answer 2

Answer:

lustrous... ....

Explanation:

don't know the reason