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Give the electronic configuration of Mn^...

Give the electronic configuration of `Mn^(2+) and Cr^(3+) ` ions .

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Mn (Z = 25)
Mn` to 23 Mn^(2+) + 2e^(-)`
`Mn^(2+)` Electronic configuration is `1s^(2), 2p^(2), 2p^(6), 3s^(2), 3p^(6), 3d^(5)`
Cr (Z = 24)
`Cr to 21 Cr^(3+) + 3e^(-)`
`Cr^(3+)` Electronic configuration is `1s^(2), 2s^(2) , 2p^(6), 3s^(2), 3p^(6), 3d^(3)`
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