Sodium crystallises in a bcc lattice having unit cell with an edge length of 4.29Å. Calculate the number of unit cells present in 2.3g of Na metal. Determine the number of atoms present in 1 cc of unit cell.

Caculate the number of particles present in BCC unit cell .

Calculate the number of atoms per unit cell of BCC.

The number of atoms per unit cell in bcc lattice is

The number of atoms per unit cell in bcc lattice is

Calculate the number of atoms per unit cell present in simple, fcc and bcc unit cells.

Sodium crystallises in a body-centred cubic lattice with unit cells of edge length 4.29Å. Calculate the radius of a sodium atom and the distance between the nearest neighbours in the lattice.

An atom crystallises in fcc crystal lattice and has a density of 10 g cm^(-3) with unit cell edge length of 100 pm. Calculate number of atoms present in 1 g of crystal.

Calculate the number of particles present per unit cell in a B.C.C unit cell

(i) Which type of semiconductor is sillicon having arsenic as impurity? (ii) An elements (density = 7.2g*cm^(-3) ) crystallises in a body-centred cubic structure having its cell edge length 2.88Å. Calculate the number of atoms and the number of unit cells present in 156g of the element.