GKFix MCQ Question

What is the ground state electronic configuration of Mercury (Hg, Z=80)?

• A. [Xe] 4f¹⁴ 5d⁹ 6s³
• B. [Xe] 4f¹⁴ 5d⁸ 6s⁴
• C. [Xe] 4f¹⁴ 5d¹¹ 6s¹
• D. [Xe] 4f¹⁴ 5d¹⁰ 6s²