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Which of following is general electronic configuration of Lanthanoides ?

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Which of following is general electronic configuration of Lanthanoides ?

(A) [Xe] 4fo-14 6do-1 6s2

(B) [Xe] 5s1-14 5d1-2

(C) [Xe] 4f1-14 5do-1 6s2 

(D) [Xe] 4f1-14 5d0-1 6s1-2

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(C) [Xe] 4f1-14 5do-1 6s2

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