The number of unpaired electrons in Zn^{2+} i | vedclass

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(D) The atomic number of $Zn$ is $30$. The electronic configuration of $Zn$ is $[Ar] 3d^{10} 4s^2$. When $Zn$ forms $Zn^{2+}$ ion,it loses two electro

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(D) The atomic number of $Zn$ is $30$. The electronic configuration of $Zn$ is $[Ar] 3d^{10} 4s^2$. When $Zn$ forms $Zn^{2+}$ ion,it loses two electrons from the $4s$ orbital. The electronic configuration of $Zn^{2+}$ is $[Ar] 3d^{10}$. Since all $10$ electrons in the $3d$ subshell are paired,the number of unpaired electrons in $Zn^{2+}$ is $0$.

The number of unpaired electrons in $Zn^{2+}$ is

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