what is different between amorphous and crystalline solid .
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amorphous solid have irregular pattern while crystalline have regular pattern arrangement
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Amorphous solids
1. There is only a short range order in amorphous solids
2. Amorphous solids do not have a sharp melting point; they are softened in a range of temperature.
3. Amorphous solids undergo irregular or conchoidal breakage.
4. Amorphous solids are isotrophic-the properties will be independent of the direction in which they are measured.
5. Less rigid.
Examples of Amorphous solids: Fibre glass, Cellophane, Teflon, Polyurethane, Naphthalene, Polyvinyl chloride
Crystalline solids
1. There is a long range order in crystals.
2. Melt at a sharp temperature.
3. Crystalline solids can be cleaved along definite planes.
4. Crystalline solids, in general are anisotrophic (It means that, their properties such as electrical conductivity, refractive index, thermal expansion etc. will be different directions).
5. More rigid.
Examples of Crystalline solids: Copper, Potassium nitrate, Benzoic acid
1. There is only a short range order in amorphous solids
2. Amorphous solids do not have a sharp melting point; they are softened in a range of temperature.
3. Amorphous solids undergo irregular or conchoidal breakage.
4. Amorphous solids are isotrophic-the properties will be independent of the direction in which they are measured.
5. Less rigid.
Examples of Amorphous solids: Fibre glass, Cellophane, Teflon, Polyurethane, Naphthalene, Polyvinyl chloride
Crystalline solids
1. There is a long range order in crystals.
2. Melt at a sharp temperature.
3. Crystalline solids can be cleaved along definite planes.
4. Crystalline solids, in general are anisotrophic (It means that, their properties such as electrical conductivity, refractive index, thermal expansion etc. will be different directions).
5. More rigid.
Examples of Crystalline solids: Copper, Potassium nitrate, Benzoic acid
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