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AP Chemistry
2.3 Structure of Ionic Solids
IntermediateMCQDrawing RepresentationsConceptual19.3k
Particulate model of an ionic crystal lattice before and after a mechanical force is applied.
Particulate model of an ionic crystal lattice before and after a mechanical force is applied.
A student applies a sharp mechanical force to a crystal of sodium chloride, \(\text{NaCl(s)}\). The particulate representation below shows the arrangement of ions in a section of the crystal lattice before and after the force causes the top layers of ions to shift relative to the bottom layers. Based on the representation, which of the following best explains why the ionic crystal cleaves along the plane of force rather than deforming malleably?

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