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in d-and f-Block Elements by (45.1k points)
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The electronic configuration of gadolinium (Atomic No. = 64) is

(a) [Xe] 4f3 5d5 6s2

(b) [Xe] 4f6 5d2 6s2

(c) [Xe] 4f8 5d9 6s2

(d) [Xe] 4f7 5d1 6s2

1 Answer

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Best answer

Correct option (d) [Xe] 4f7 5d1 6s2

Explanation :

Half-filled and fully filled orbitals are more stable.

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