Na and Mg crystallise in BCC and FCC type crystals, than the number of Na and Mg atoms present in the unit cell of their respetive crystal is

Na and Mg crystallise in BCC and FCC type crystals, than the number of

1.	Na and Mg crystallise in BCC and FCC type crystals, than the number of Na and Mg atoms present in the unit cell of their respetive crystal is
Answer» 4 and 2 9 and 14 14 and 9 2 and 4 Solution :No. of ATOMS per UNIT cell in BCC structure = 2 No. of atoms per unit cell in FCC structure = 4