What is the electronic configuration of the ground state of Iridium (Ir, Z=77)? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

What is the electronic configuration of the ground state of Iridium (Ir, Z=77)?

A. [Xe] 4f¹⁴ 5d⁶ 6s³
B. [Xe] 4f¹⁴ 5d⁸ 6s¹
C. [Xe] 4f¹⁴ 5d⁵ 6s⁴
D. [Xe] 4f¹⁴ 5d⁷ 6s²

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