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16-03-2021
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why does iron have two kinds of valence number?

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hollowsquadbbyy hollowsquadbbyy

16-03-2021

iron has two kinds of valence number because, in order to attain stability it looses it two electrons in the 4 orbital and then has 2 more valencies and since the half filled orbitals are more stable it loses one more electron from d orbital and has +3 valency.

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