Question

. Calculate the number of atoms present in 2 gram of Crystal .Which has face centred
cubic crystal lattice having a length of 100 pm and density 10 gram per centimetre
cube.​

Answer 1

Solution. Edge length (a) = 100 pm = 100 × 10−10 cm. The given unit cell is of fcc type, therefore, it contains 4 atoms.

Hope it helps you.