Distinguish between Crystalline, Amorphous and Polymeric solids – Physics

Crystalline, Amorphous and Polymeric solids

The difference between Crystalline, Amorphous and Polymeric solids is given below:

1) Crystalline solids:

In crystalline solids, the atoms/molecules are arranged. They are in long range order. They have good conductivity. Crystals have abrupt phase transition. Their boiling and melting points are sharp.

Examples: Metals, semi-conductors, ionic compounds.

2) Amorphous solids:

In amorphous solids, there is no proper arrangement of atoms/molecules. They are not arranged in any order. There is no sharp melting or boiling point. They are not easy to break, and are strong. They have high specific gravity.

Examples: Rubber, glass.

3) Polymeric solids:

It’s properties are between crystal and amorphous solids. They have long chain of molecules. They have low specific gravity. They have high strength.

Examples: Polythene, shopper.

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