GKFix MCQ Question

What is the primary electronic factor that differentiates the stability of Yb²⁺ from Yb³⁺?

• A. Yb²⁺ achieves a filled (4f¹⁴) configuration, while Yb³⁺ has a 4f¹³ configuration
• B. Yb²⁺ has a half-filled f-subshell, while Yb³⁺ has a filled f-subshell
• C. Yb²⁺ has no unpaired electrons, while Yb³⁺ has one
• D. Yb²⁺ is paramagnetic, while Yb³⁺ is diamagnetic