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← ScienceWhich consequence results when a sodium chloride crystal's edge fractures?
A)Increased repulsion between ions occurs✓
B)Formation of delocalized electron cloud
C)Covalent bond formation is enhanced
D)Hydrogen bonding becomes the dominant force
💡 Explanation
Edge fracture exposes similarly charged ions; thus increased repulsion results. Because the **Coulombic force** increases rapidly at short distances, stress concentrates at the crack tip. Therefore further propagation occurs, rather than forming metallic bonding.
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