GKFix MCQ Question

What is the ground state electronic configuration of Tantalum (Ta, Z=73)?

• A. [Xe] 4f¹⁴ 5d⁵
• B. [Xe] 4f¹⁴ 5d² 6s³
• C. [Xe] 4f¹⁴ 5d⁴ 6s¹
• D. [Xe] 4f¹⁴ 5d³ 6s²