An element having bcc geometry has atomic mass 50. Calculate the density if unit cell edge length is 290 pm.

An element 'X' with an atomic mass of 60g/ mol has density of 6.23"g cm"^(-1) . If the edge length of its unit cell is 400 pm, identity the type of cell. Also calculate the radius of an atom of this element.

Density of a unit cell is respresented as rho = (" Effective no. of atoms (s)" xx "Mass of a unit cell ")/("Volume of a unit cell ")=(Z.M)/(N_(A).a^(3)) where , mass of unit cell =mass of effectuive no . of atoms(s) or ion (s). M= At . mass// formula N_(A) = Avogadro' s no . rArr 6.0323 xx 10^(23) a= edge lemght of unit cell An element crystallizes in a structure having fcc unit cell of an edge 200 pm . Calculate the density , if 100 g of this element contains 12xx10^(23) atoms :

Lithium has a bcc structure .Its density is 530 kg m^(-3) and its atomic mass is 6.94 g mol^(-1) .Calculate the edge length of a unit cell of lithium metal (N_(A) = 6.02 xx 10^(23) mol^(-1))

KF has ccp structure. Calculate the radius of the unit cell if the side of the cube or edge length is 400 pm. How many F^- ions and octahedral voids are there in the unit cell?

An element crystallises in a structure having fcc unit cell of edge length 200 pm. Calculate the density if 200 gm of this element contain 24xx10^(23) atoms.

Silver has atomic mass 108 a.m.u. and density 10.5 g cm^(-3) If the edge length of its unit cell is 409 pm, identify the type of unit cell. Also calculate the radius of an atom of silver.

Crystalline CsBr has a body centred cubic structure. Calculate the unit cell edge length if the density of CsBr crystal is 4.24 g cm^-3 . (atomic masses: cs=133, Br=80).

A face centered cubic element (atomic mass =60) has edge length of 400pm. What is the density of unit cell