Sodium has body centred packing. Distance between two nearest atoms is `3.7 Å`. The lattice parameter is

Sodium has body centered packing . Distance between two nearest atoms is 3.7 overset@A . The lattice parameter is:

Sodium has body-centred packing. If the distance between two nearest atoms is 3.7 overset@A , then lattice parameter is

Metallic potassium (atomi mass = 39) has a body centred crystal structure. In the unit cell of this crystal, the distance between two nearest neighbour is 4.52Å. The density of potassium (in kg*m^(-3) ) is-

An element has a face-centred cubic (fcc) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is:

An element has a face-centred cubic (fcc) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is:

An element crystallises in a face -centred cubic (fcc) unit cell with cell edge a. The distance between the centre of two nearest octahedral voids in the crystal lattice is ::

An element crystallises in a face -centred cubic (fcc) unit cell with cell edge a. The distance between the centre of two nearest octahedral voids in the crystal lattice is ::

The edge length of body-centred cubic unit cell is asqrt3 . The distance between two nearest neighbours in this unit cell is-