Interstitial Sites or Interstitial Voids: In the close packing of spheres, certain hollows are left vacant. These holes or voids … Read more

Close Packing in two Dimensions: To understand the packing of constituent particles of crystals, let us consider the packing of … Read more

Unit Cell: For every crystal lattice it is possible to select a group of lattice points which is repeated again … Read more

Space Lattice: The crystalline solids have definite orderly arrangement of their constituent particles in three dimensions. The position of these … Read more

The solids are the substances which have definite shape. In terms of kinetic molecular model, solids have regular order of … Read more