GKFix MCQ Question

What is the electronic configuration of the element with atomic number 101 (Mendelevium)?

• A. [Rn] 5f^12 6d^1 7s^2
• B. [Rn] 5f^14 7s^1
• C. [Rn] 5f^13 7s^2
• D. [Rn] 5f^11 6d^2 7s^2