Which of the following is not amorphous solid?
Correct answer: B. Table salt
- A. Glass
- B. Table salt
- C. Glue
- D. Rubber
Explanation
Table salt is a crystalline solid. It forms a well-defined crystal lattice structure where sodium (Na+) and chloride (Cl-) ions arrange themselves in a regular, repeating three-dimensional pattern. This ordered arrangement is characteristic of crystalline solids. Therefore, option b is correct.
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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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