elements belong to the same group have same valency give scientific reason
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The electronic configuration of the outermost shell is same for all the elements belonging to the same group. So, the number of valence electrons for all the elements in a group is the same. ... Hence, elements belonging to the same group have the same valency.
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The electronic configuration of the outermost shell is same for all the elements belonging to the same group. So, the number of valence electrons for all the elements in a group is the same. ... Hence, elements belonging to the same group have the same valency.
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