Chromium crystallises in bcc structure .If its edge length is 300 p m , find its density .Atomic mass of chromium is 52u .`[N_A=6.022 xx 10^(23) cm ,M = 52 _u `

(a) Sodium metal crystallizes in bcc structure. Its unit cell edge length is 420 pm. Calculate its density. (Atomic mass of sodium = 23 u, N_(A) = 6.022 xx 10^(23) mol^(-) ). (b) What is Frenkel defect ? How does it affect the density of a crystal ?

(a) Sodium metal crystallizes in a BCC structure. Its unit cell edge length is 420p. Calculate its density. (atomic mass of sodium = 23u, N-6.022 xx 10^(23)(mol^(1-))..

Copper crystallises into a fcc lattice. Its edge length is 3.61xx10^-8 cm . Claculate the density of copper. (at mass of copper = 63.5u, N_A = 6.022xx10^23mol^-1 ).

If a metal crystallises in bcc structure with edge length of unit cell 4.29 xx 10^(-8) cm , the radius of metal atom is

An element occurs in bcc structure with edge length of 288 pm. Its density is 7.2 g//cm^3 Calculate atomic mass of element.

Calcium metal crystallises in a face centered cubic lattice with edge length of 0.556nm. Calculate the density of the metal. [Atomic mass of calcium 40 g/mol] [N_(A) = 6.022 xx 10^(23) " atoms/ mol"]