A \( \left[Ar\right]3d^94s^0 \)
B \( \left[Ar\right]3d^84s^2 \)
C \( \left[Ar\right]3d^{10}4s^0 \)
D \( \left[Ar\right]3d^84s^1 \)
Correct Answer: Option A
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