Science, asked by Kelfkhz, 6 months ago

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 )

Answers

Answered by 01bereenranee
4

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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