The calculated spin only magnetic moment of Cr2+ ion is ______.

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KollegeApply · Accepted Answer

The calculated spin only magnetic moment of Cr2+ ion is 4.90 BM. Explanation: The atomic number of chromium is 24. The electronic configuration of Cr is [Ar] 3d4. So the number of unpaired electrons (n) is 4. μ = sqrt(n(n + 2))BM = sqrt(4(4 + 2)) = sqrt 24 = 4.90 BM

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