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What group of the periodic table is this atom in?
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What group of the periodic table is this atom in?

What group of the periodic table is this atom in?-example-1
User Xizam
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Answer:

Group 3

Step-by-step 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

Hope it is useful

User East
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