calculate magnetic moment of Co 3+(Z=27) COMPARE ITS PARAMAGNETISM WITH Cr3+(Z=24)Fe(Z=26).
Electronic configuration of Co 3+ is 1s2 2s2 2p6 3s2 3p6 3d6 ; unpaired electrons, 4 and magnetic moment, 4.9 BM
Electronic configuration of Cr3+ is 1s2 2s2 2p6 3s2 3p6 3d3 ; unpaired electrons, 3 and magnetic moment, 3.87 BM
Electronic configuration of Fe is 1s2 2s2 2p6 3s2 3p6 3d6 4s2; unpaired electrons, 4 and magnetic moment, 4.9 BM
​Paramagnetic character Co3+ = Fe > Cr3+
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Electronic configuration of Cr3+ is 1s2 2s2 2p6 3s2 3p6 3d3 ; unpaired electrons, 3 and magnetic moment, 3.87 BM
Electronic configuration of Fe is 1s2 2s2 2p6 3s2 3p6 3d6 4s2; unpaired electrons, 4 and magnetic moment, 4.9 BM
​Paramagnetic character Co3+ = Fe > Cr3+
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