How does valency vary in a group???
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In a group the valency remains the same as they have same number of valence electrons.
Hope it helps you out....
Hope it helps you out....
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4
valency remains in the same in a group because the number of valence electrons remain the same that is the no of electrons in the outermost shell
for example
for 1 st group the valency remains 1 from lithium to caesium and francium
....
for example
for 1 st group the valency remains 1 from lithium to caesium and francium
....
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