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← ScienceWhich consequence is observed when repulsive electrostatic interactions dominate electron orbitals?
A)Hund's rule orbital occupation✓
B)Decreased energy level splitting
C)Increased nuclear shielding effect
D)Degeneracy between electronic states
💡 Explanation
Hund's rule maximizes total spin, causing lower energy because electrons occupy separate, degenerate orbitals until forced to pair. Therefore, Hund's rule dictates orbital occupation, rather than alternative reduced degeneracy or increased screening which occur in different interaction regimes.
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