The correct electronic configuration and spin-only magnetic moment (BM) of Gd (Z = 64), respectively, are : 3+ 3+ 64 3+ 7 3+ (A) [Xe] and 7.9 (B) [Xe] and 7.9 (C) [Xe] and 8.9 (D) [Xe] and 8.9

Question

The correct electronic configuration and spin-only magnetic moment (BM) of Gd (Z = 64), respectively, are : 3+ 3+ 64 3+ 7 3+

(A) [Xe] and 7.9
(B) [Xe] and 7.9
(C) [Xe] and 8.9
(D) [Xe] and 8.9

Prashant Kotian · Accepted Answer

Correct answer: A) [XE] AND 7.9. Electronic configuration of Gd is Gd = [Xe]4f [Xe] Gd having 7 unpaired electron. magenetic moment (μ) = B.M μ = = 7.9 B.M n = Number of unpaired electrons

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