Number of unpaired electron in mg neutral atom and its diavalent ion with +2 charge
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Zero in both the neutral atom and the bivalent cation.
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Mg
Number of electrons= 12
Electronic configuration=(2,8,2)
Valence electron = 2
In case of Mg²⁺
Number of electrons=10
Electronic configuration=(2,8)
As the octate is fulfilled so there is no free or unpaired in case of Mg²⁺
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