What is the general electronic configuration of lanthanoids?
- A$[Xe] \, 4f^{1-10} \, 5d^{0-1} \, 6s^2$
- B$[Xe] \, 4f^{1-14} \, 5d^{0-1} \, 6s^2$
- C$[Xe] \, 4f^{0-14} \, 5d^{0-1} \, 6s^2$
- D$[Xe] \, 4f^{1-14} \, 5d^{0-1} \, 6s^{1-2}$
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