paigeffitch paigeffitch

18-01-2021
Physics

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What group of the periodic table is this atom in?

What group of the periodic table is this atom in class=

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devika2005 devika2005

18-01-2021

Answer:

Group 3

Explanation:

In groups moving from top to bottom in a group, valency remains same because number of valence electron remains same.

eg . valency of first group elements = 1

valency of second group = 2

valency of third group = 3

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