GKFix MCQ Question

What is the ground state electronic configuration of Platinum (Pt, Z=78)?

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