What is the Valency of Magnese
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Valency of Magnese is 2
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This means that manganese (Mn group-7) has the electron configuration [Ar]4s²3d⁵ and 7 valence electrons, this can hv valence from +1–7 ,but generally manganese in its compounds has valency of +2,+4,+7 due to corresponding stable electronic configuration
Explanation:
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