What is the electronic configuration of the ground state of Lanthanum (La, Z=57)? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

What is the electronic configuration of the ground state of Lanthanum (La, Z=57)?

A. [Xe] 4f¹ 6s²
B. [Xe] 5d² 6s¹
C. [Xe] 5d⁰ 6s³
D. [Xe] 5d¹ 6s²