Which lanthanoid element has the electronic c | vedclass

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(D) The electronic configuration of lanthanoids follows the general pattern $[Xe]4f^{1-14} 5d^{0-1} 6s^2$. For Gadolinium ($Gd$,atomic number $64$),th

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Gadolinium

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(D) The electronic configuration of lanthanoids follows the general pattern $[Xe]4f^{1-14} 5d^{0-1} 6s^2$. For Gadolinium ($Gd$,atomic number $64$),the configuration is $[Xe]4f^7 5d^1 6s^2$. This stability arises because the $4f$ subshell is half-filled $(4f^7)$,which provides extra stability to the atom.

Which lanthanoid element has the electronic configuration $[Xe]4f^7 5d^1 6s^2$?

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