General Chemistry Placement Practice Test

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What is an amorphous solid?

An amorphous solid has a well-defined, ordered structure.

An amorphous solid is a solid lacking a well-defined, ordered structure with particles arranged randomly.

An amorphous solid is characterized by its lack of a well-defined, ordered structure, with its particles arranged randomly. This means that unlike crystalline solids, which have a regular and repeating arrangement of atoms or molecules, amorphous solids do not have long-range order. This disordered arrangement of atoms gives rise to unique physical properties, such as varying mechanical strength and different thermal characteristics compared to crystalline materials.

Additionally, this randomness in the structure enables amorphous solids to exhibit behavior similar to liquids under certain conditions, despite being solid at room temperature. Examples of amorphous solids include glass and certain types of plastics, where the atoms or molecules are arranged in a non-repetitive manner, leading to a lack of sharp melting points and other distinctive phase transitions that are typical of crystalline solids.

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An amorphous solid only exists at extremely high temperatures.

An amorphous solid can easily change to a crystalline structure.

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