GKFix MCQ Question

What is the ground state electronic configuration of Rhenium (Re, Z=75)?

• A. [Xe] 4f¹⁴ 5d⁷
• B. [Xe] 4f¹⁴ 5d⁴ 6s³
• C. [Xe] 4f¹⁴ 5d⁶ 6s¹
• D. [Xe] 4f¹⁴ 5d⁵ 6s²