The electronic configuration of gadolinium (Atomic number 64) is

Chemistry · JEE Advanced · NTA Exams — Classification of Elements and Periodicity in Properties

1. [Xe] 4f ³ 5d ⁵ 6s ²
2. [Xe] 4f ⁷ 5d ² 6s ¹
3. [Xe] 4f ⁷ 5d ¹ 6s ²
4. [Xe] 4f ⁸ 5d ⁶ 6s ²

Answer

(C) [Xe] 4f 7 5d 1 6s 2

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