1.12 A cubic solid is made of two elements P and Q. Atoms of Q are at the corners of the cube and P at the body-centre. What is the formula of the compound? What are the coordination numbers of P and Q?
It is given that the edge length, a = 4.077 × 10−8 cm Density, d = 10.5 g cm−3 As the lattice is fcc type, the number of atoms per unit cell, z = 4 We also know that, NA = 6.022 × 1023 mol−1
