Answer
Please see the work below.
Work Step by Step
We know that the electronic configuration of lead $Pb$ is given as [Xe] $4f^{15} 5d^{10} 6s^2 6p^2$.
The electronic configuration of lead ion $Pb^{+2}$ is given as $4f^{14} 5d^{10} 6s^2$
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