In Body centered cubic structures the atoms are not present at?

In case of FCC(Face centered cubic) structure the atoms are not present at?

A compound made up of elements A and B crystallises in the cubic structure . Atoms A are present at the corners and alternate face centres whereas atoms B are present at the edge centres as well as body centre . What is the formula of the compound ?

In face centered cubic structure, the octahedral voids are located at :

A compound formed by elements A and B crystallises in a cubic structure where A atoms are present at the corners of a cube and the B atoms are present at the face centres.The formula of the compound is

Select the correct alternative from the choices given: The packing efficiency of simple cubic structure, body centered cubic structure and face centered cubic structure respectively is :

The coordination number of an atom in a body- centered cubic structure is [Assume that the lattice is made up of atoms.)

A compound formed by the elements X and Y crystallises in the cubic structure. Atoms Y are present on the corners as well as face centres whereas atoms X are present in the edge centres as well as body centre. What is the formula of the compound?