Question

The electronic configuration of Gd²⁺ is (at. No. of Gd is 64)

• A. $\left[Xe\right]4f^8$
• B. $\left[Xe\right]4f^7$
• C. $\left[Xe\right]4f^{7}5d^{1}6s^2$
• D. $\left[Xe\right]4f^{7}5d^1$

Answer 1

The correct option is D

$\left[Xe\right]4f^{7}5d^1$

$G{d}^{2+}-\left[Xe\right]4f^{7}5d^1$