Question

When the metal is heated which defect arises?

Answer 1

On heating, some atoms or ions leave the lattice site completely so vacancy defect can arise. A solid will show vacancy defect when some of the lattice sites are vacant.....
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Answer 2

Answer:

• When a solid is heated, vacancy defect can arise.
• A solid crystal is said to have vacancy defect when some of the lattice sites are vacant.  
• Vacancy defect leads to a decrease in the density of the solid.