Question

Why are the amorphous solids said to possess short range order?

Answer 1

1. Amorphous solids are said to possess short range order because their constituent particles (atoms, ions, or molecules) are arranged in a regular and predictable pattern only over a short distance, typically a few atomic diameters.
2. In these solids, there is no long-range periodicity in the arrangement of particles, as seen in crystalline solids.
3. However, each atom forms a relatively fixed and orderly bond with its immediate neighbors over a short range.
4. Beyond this limited distance, the arrangement becomes random and disordered.
5. This short-range order explains why amorphous solids, such as glass or plastic, lack sharp melting points, have irregular shapes, and are considered pseudo-solids or supercooled liquids.