GKFix MCQ Question

What is the ground state electronic configuration of Osmium (Os, Z=76)?

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