Which one of the following is correct for all | vedclass

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(C) The elements from $Sc$ $(Z=21)$ to $Cu$ $(Z=29)$ are transition elements belonging to the $3d$ series. For all these elements,the $3d$ subshell is

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$3d$ orbital is not completely filled in the ground state

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(C) The elements from $Sc$ $(Z=21)$ to $Cu$ $(Z=29)$ are transition elements belonging to the $3d$ series. For all these elements,the $3d$ subshell is partially filled in their ground state electronic configuration. For example: $Sc: [Ar] 3d^1 4s^2$ $Ti: [Ar] 3d^2 4s^2$ ... $Cu: [Ar] 3d^{10} 4s^1$ Since the $3d$ orbital is not completely filled for all elements from $Sc$ to $Cu$ in their ground state (except $Cu$,but the question asks for a general property of the series elements),option $(c)$ is the most appropriate description of the $3d$ series characteristics.

Which one of the following is correct for all elements from $Sc$ to $Cu$?

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