Complete this vocabulary task about liquid crystals. Match the words with the ap

Question

Complete this vocabulary task about liquid crystals. Match the words with the appropriate blanks in the sentences on the right.

cholesteric

nematic

isotropic

smectic

anisotropic

1. describes a phase in which molecules are arranged in layers that form a spiral shape.

2. describes a phase in which molecules are parallel but the ends are staggered.

3. describes a phase in which the degree of alignment or disorder of the molecules depends on the direction in which they are viewed.

4. describes a phase in which molecules are parallel and the ends are aligned, forming planes.

5. describes a phase in which molecules are disordered in all directions.

Explanation / Answer

The definitions of the given five words are as follows:

Cholesteric: 1. Describes a phase in which molecules are arranged in layers that form a spiral shape.

Nematic: 2. Describes a phase in which molecules are parallel but the ends are staggered.

Isotropic: 5. Describes a phase in which molecules are disordered in all directions.

Smectic: 4. Describes a phase in which molecules are parallel and the ends are aligned, forming planes.

Anisotropic: 3. Describes a phase in which the degree of alignment or disorder of the molecules depends on the direction in which they are viewed.

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