The electronic configuration of gaedolinium.

Options

A. `[Xe] 4f^(8), 5d^(9), 6s^(2)`
B. `[Xe] 4f^(2), 4d^(1), 6s^(2)`
C. `[Xe] 4f^(6), 5d^(2), 6s^(2)`
D. `[Xe] 4f^(3), 5d^(5), 6s^(2)`

Answer

B