Question

crystalline solids are ???

Answer 1

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

Answer 2

Crystalline solids are ions that make up the solid exists in a regular and well-defined arrangement.

Explanation:

• The solids which have a periodic arrangement of identical structure unit cells containing atom or molecules or ions are known as Crystalline solids.

• There is a long-range order in the structure of crystals.

• In a crystalline solid the smallest unit of repeating pattern is recognised  as unit cells.

• In simple crystals like copper, silver the structural unit cell includes only a single atom.

• In complex crystal like the 'structural unit cells' may contain two or more atoms or molecules.

Learn more about crystalline solids

Why are defects in the crystalline solids called thermodynamic defects?

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Classify the following as amorphous or crystalline solids: Polyurethane, naphthalene, benzoic acid, teflon, potassium nitrate, cellophane, polyvinyl chloride, fibre glass, copper.

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