Define (a) space lattice, (b) crystal lattice, (c) unit cell and (d) coordination number.

Define term space lattice ?

Define space lattice.

Distinguish between crystal lattice and unit cell.

The crystal lattice of ice is mostly formed by

The crystal lattice of ice is mostly formed by

For a crystal of sodium chloride, state: (i) The type of lattice in which it crystallizes. (ii) The coordination number of each sodium ion and chloride ion in the crystal lattice. (iii) The number of sodium ions and chloride ions present in a unit cell of sodium chloride. (iv) The structural arrangement of the sodium chloride crystal.

For crystal sodium chloride, state (i) the type of lattice in which it crystallises. (ii) co-ordination number of each sodium ion and chloride ion in the crystal lattice. (iii) number of sodium and chloride ions present in a unit cell of sodium chloride. (iv) the structural arrangement of sodium chloride crystals.

The vacant space in bcc lattice unit cell is