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The Solid State

General characteristics of solid state:

  • Definite mass, volume and shape

  • Short intermolecular distances

  • Strong intermolecular forces

  • Fixed lattice positions of the constituent particles

  • Incompressibility and rigidity

Classification of the solid state:

  • Crystalline

  • Amorphous (sometimes called pseudo solids or super-cooled liquids)

Differences between the crystalline and amorphous solids



Have definite characteristic geometrical shape

Have irregular shape

Melt at a sharp and characteristic temperature

Gradually soften over a range of temperature

When cut with a sharp edged tool, the n…

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