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← ScienceWhich outcome occurs when a crystal lattice contains vacancies?
A)Enhanced diffusion rate of atoms✓
B)Increased thermal conductivity linearly
C)Diminished mechanical shear strength
D)Consistent electron mobility irrespective temperature
💡 Explanation
Enhanced atom diffusion arises because, within imperfections in the lattice framework, there is increased atomic mobility via the vacancy diffusion mechanism; therefore diffusion rates increase, rather than properties remaining unchanged given a perfect, defect-free lattice.
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