Q. A compound is formed by elements and . This crystallises in the cubic structure where the atoms are at the corners of the cube and atoms are at the body centers. The simplest formula of the compound is

 1894  242 KCETKCET 2008The Solid State Report Error

Solution:

Since A atoms are present at the corners of the cube,

Number of atoms per unit cell

Number of atoms per unit cell

(present at the body centre of the cube)

Hence, the formula of the compound