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Write the electronic configuration of Mn^6+, Mn^4+, Fe^4+, Co^5+, Ni^2+.

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Write the electronic configuration of Mn6+, Mn4+, Fe4+, Co5+, Ni2+.

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Ions Electronic configuration of valence shell
Mn6+ [Ar] 3d1
Mn4+ [Ar] 3d3
Fe4+ [Ar] 3d4
Co5+ [Ar] 3d4
Ni2+ [Ar] 3d8
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