Gadolinium belongs to 4f series. Its atomic number is 64 . Which of the following is the correct electronic configuration of gadolinium?

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[Xe]4f95s1

[Xe]4f75d16s2

[Xe]4f65d26s2

[Xe]4f86d2

answer is B.

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Detailed Solution

GdZ=64... Xe4f75d16s2

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