Types of Solids
Category : JEE Main & Advanced
A solid is that state of matter in which its constituent atoms or molecules are held strongly at the position of minimum potential energy and it has a definite shape and volume. The solids can be classified into two categories, crystalline and glassy or amorphous solids.
| Comparison chart of Crystalline and Amorphous Solids | |
| Crystalline solids | Amorphous or glassy solids |
| The constituent atoms, ions or molecules are arranged in a regular repeated three dimensional pattern, within the solid. | The constituent atoms, ions or molecules are not arranged in a regular repeated three dimensional pattern, within the solid. |
| Definite external geometric shape. | No regularity in external shape. |
| All the bonds in ions, or atoms or molecules are equally strong. | All the bonds are not equally strong. |
| They are anisotropic. | They are isotropic. |
| They have sharp melting point. | They don't have sharp melting point. |
| They have a long-range order of atoms or ions or molecules in them. | They don?t have a long-range order. |
| They are considered true and stable solids. | They are not regarded as true and stable solids. |
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