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2016-04-16T17:57:55+05:30
The electronic configuration of Cr atom is 1s2 2s2 2p6 3s2 3p6 4s1 3d5         (completely half-filled d-orbital ) and that of Cr3+ is [Ar] 3d3.
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thanks for the answer but i got it few minutes earlier... But Thanks.. :D
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