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The d-and f-Block Elements
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13/03/2022 10:07 pm
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Calculate the 'spin only' magnetic moment of M2+(aq) ion (Z = 27).
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13/03/2022 10:18 pm
Z = 27
⇒ [Ar] 3d74s2
∴ M2+ = [Ar] 3d2
3d7 = figure.png
i.e., 3 unpaired electrons
∴ n = 3
⇒ \(\sqrt{n(n+2)}\) = μ
⇒ \(\sqrt{3(3+2)}\) = μ
⇒ \(\sqrt{15}\) = μ
= 3.87 B.M