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← ScienceWhich outcome occurs when high pressure causes sodium chloride crystals to distort?
A)Decreased free ion mobility✓
B)Increased metallic bond character
C)Enhanced van der Waals attractions
D)Reduced covalent bond contribution
💡 Explanation
High pressure reduces the space for ions to move which decreases *free ion mobility* because ionic conductance is limited by ion diffusion through defects rather than electron sharing; therefore, mobility diminishes rather than bonds changing character under moderate compression.
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