A structure that is intermediate between solid and liquid is called
Correct answer: D. amorphous solid.
- A. metallic solid.
- B. polymeric solid.
- C. crystalline solid.
- D. amorphous solid.
Explanation
Here's an explanation: * D) Amorphous solid: An amorphous solid is considered an intermediate structure between a solid and a liquid because it lacks the long-range, repeating, ordered atomic structure characteristic of a crystalline solid. Unlike crystalline solids, amorphous solids do not have a distinct melting point; instead, they gradually soften over a range of temperatures, behaving somewhat like very viscous liquids. This lack of a definitive structure and gradual transition behavior makes them intermediate. Glass, plastics, and gels are common examples of amorphous solids.
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About Crystalline and Amorphous Solids
Crystalline solids have a regular, repeating lattice and a sharp melting point, while amorphous solids lack long-range order and soften over a temperature range. The topic covers unit cells, anisotropy, cleavage, symmetry and examples such as salts, metals, glass and plastics. Crystalline order must not be confused with mere hardness.
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