Gadolinium belongs to 4f series. It's atomic number is 64. Which of th – InterviewSolution

1.	Gadolinium belongs to 4f series. It's atomic number is 64. Which of the following is the correct electronic configuration of gadollinium?
Answer» `[Xe] 4f^(7) 5d^(1) 6s^(2)` `[Xe] 4f^(6) 5d^(2) 6s^(2)` `[Xe] 4f^(8) 6d^(2)` `[Xe] 4f^(9) 5S^(1)` Answer :A

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