(a)An element crystallises in BCC structure. The edge length of its unit cell is 288 pm. If the density of the crystals is 7.2 "g cm"^(-3), what is the atomic mass of the element ? (b)How many atoms of this element are present in 100 g ?

(a)An element crystallises in BCC structure. The edge length of its un

1.	(a)An element crystallises in BCC structure. The edge length of its unit cell is 288 pm. If the density of the crystals is 7.2 "g cm"^(-3), what is the atomic mass of the element ? (b)How many atoms of this element are present in 100 g ?
Answer» ANSWER :(a)51.8 , (B)`11.62xx10^23`