What type of defect can arise when a solid is heated? Which physical property is affected by it and in what way?

Question

Philoid · Accepted Answer

When a solid is heated, vacancy defect is produced in the crystal. On heating, some ions or atoms leave the lattice site completely, which means the lattice site becomes empty or vacant. As a result of this defect, density of the substance decreases. Thus density is the physical property that is effected by the vacancy defect.