What is the value of the spin-only magnetic m | vedclass

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(C) The electronic configuration of $Ni$ $(Z=28)$ is $[Ar] 3d^8 4s^2$. For $Ni^{2+}$,the configuration is $[Ar] 3d^8$. In the $3d$ subshell,there are

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$2.8$

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(C) The electronic configuration of $Ni$ $(Z=28)$ is $[Ar] 3d^8 4s^2$. For $Ni^{2+}$,the configuration is $[Ar] 3d^8$. In the $3d$ subshell,there are $8$ electrons,which results in $2$ unpaired electrons $(n=2)$. The spin-only magnetic moment is calculated using the formula $\mu = \sqrt{n(n+2)} \ BM$. Substituting $n=2$: $\mu = \sqrt{2(2+2)} = \sqrt{2 	imes 4} = \sqrt{8} \approx 2.83 \ BM$. Thus,the value is approximately $2.8 \ BM$.

What is the value of the spin-only magnetic moment of $Ni$ $(Z=28)$ in the $+2$ oxidation state (in $BM$)?

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