What happens to number of valence electrons in atoms of elements as we go down a group of the periodic table?
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valency would be same of particular group no.
ex-group 1 will have valency of 1
group 2 - 2
group3 - 3
group 4 - 4
group 5 - 3
group 6 - 2
group 7 -1
group 8 - 0
ex-group 1 will have valency of 1
group 2 - 2
group3 - 3
group 4 - 4
group 5 - 3
group 6 - 2
group 7 -1
group 8 - 0
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