Find the relation between side length and radius of atom form body centred cubic lattice and also find the packing efficiency for the same pacing.

Relation between radis (r) and side length(a) of-face centred cubic lattice.

If the density of iron be 7.76 gm/cc and it form body centred cubic lattice then find its side length. A wt of Fe 56.

Arrange simple, body-centred and face-centred cubic unit cells in increasing order of their packing efficiencies.

What is the relation between the edge length (a) and the radius of the constituent particle ( r) of a simple cubic unit cell?

Calculate the edge length of body centred cubic lattice having density 9.4 g.cm^(-3) and atomic weight 56.

What is schotsky defect? Find the packing efficiency of face centred cubic latice.

What is Schottky defect ? Find out the packing effciency in a simple cubic lattice ?

An element forms face-centred cubic lattice. Each atom in the lattice has a coordination number of-

A metal forms a face centgred cubic lattice. If the radius of the atom be 1.28@A find the radius of the atom.

(a) If the radius of octahedral void is 'r' and the radius of the atoms in close packing is 'R' what is the relation between 'r' and 'R' ? (b) A metal crystallises in body centred cubic structure. If 'a' is the edge length of its unit cell, 'r' is the radius of the sphere, what is the relation between 'r' and 'a' ?