The electronic configuration of element ‘X’ is 2,8,1. To which period and groupof the modern Periodic table does it belong?(Periodic classication of element )
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Answer:
period-3
group-1
Explanation:
Since the electronic configuration is 2,8,1
the element X has 3 shells, belonging to 3rd period and since the valency is 1, hence belonging to group 1.
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