GKFix MCQ Question

What is the relationship between the energy levels of 5f, 6d, and 7s orbitals in actinoids?

• A. 5f is much lower than 6d and 7s
• B. 7s is much lower than 5f and 6d
• C. 6d is much higher than 5f and 7s
• D. They are of comparable energies