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← ScienceWhich process governs the stability of metallic bonding when electron orbitals delocalize across a metal lattice?
A)Coulombic attraction between ions and electrons
B)Pauli Exclusion Principle limiting orbital occupancy
C)Quantum entanglement stabilizing phonon modes
D)Fermi-Dirac statistics dictating electron distribution✓
💡 Explanation
When electron orbitals delocalize, Fermi-Dirac statistics distributes electrons across energy levels, minimizing the system's energy and stabilizing the bonding because these statistics determine the occupation probability of electron energy states. Therefore, Fermi-Dirac statistics governs the stability, rather than coulombic attraction (which provides initial binding), Pauli exclusion(general principle) or quantum entanglement (not directly involved).
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