The 8:8 type of close packing is present in

If a≠b≠c, B≠90^o the crystal system is

The substance which conduct electricity in the solid state is

Out of the following a non-crystalline solid is

The type of cubic lattice having maximum number of atoms per unit cell is

Close packing is maximum in the crystal lattice of

The number of octahedral sites per sphere in fcc structure is

The crystal which shows both Frenkel as well as Schottky defect is

In cubic close packing of spheres in three dimensions,the coordination number of each sphere is

The existence of a substance in more than one solid modification is known as