Question

How Same element has different valency

Answer 1

Yes same element can have diff. valency because it has isotopes for example carbon. It has c12 ans c14

Answer 2

Sometimes, the same element may exhibit one valency in one compound and another valency in other compound. ... An atom of an elementcan sometimes lose more electrons than are present in its valence shell i.e. loss from the penultimate shell and hence exhibit more than 1 or variable valency.



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