Which of the following statements is incorrect about amorphous solids?
Correct answer: B. They are rigid and incompressible
- A. They are isotropic
- B. They are rigid and incompressible
- C. They melt over a wide range of temperatures.
- D. There is no orderly arrangement of particles
Explanation
In amorphous solids, the arrangement of particles is irregular in all directions; hence, the value of any physical property is the same in any direction. Hence, they are isotropic. Therefore, Option B is the answer.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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