Niobium is found to crystalline with bcc structure and found to have denstiy of `8.55 g cm^(-3)`. Determine the atomic redius if niobium of its atmic mass is 93 u.

Niobium forms bcc structure. The density of niobium is 8.55 g cm^-3 and length of unit edge is 330.6 pm. How many atoms and unit cells are present in 0.5g of niobium?

Al ( at . wt . 26.98 ) crystallizes in the cubic system with a = 4.05 Å . Its density is 2.7 g per cm^(3) . Determine the cell type. Calculate the radius of Al atom .

X-ray diffraction studies show that copper crystallizes in an fcc unit cell edge of 3.608 xx 10^(-8) cm. In a separate experiment, copper is determined to have a density 8.92 g cm^(-3) . Calculate the atomic mass of copper.

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 _(0 ) = 6.02 xx10 ^(23) mol ^(-1))

Sikver crystallizes in fcc structure with edge length of unit cell, 4.07 xx 10^(-8) cm and if density of metallic silver is 10.5g cm^(-3) . Calculate the molecular mass of silver.

A vertical U-tube of uniform inner cross section contains mercury in both sides of its arms. A glycerin (density =1.3 g//cm ^(3)) column of length 10 cm is introduced into one of its arms. Oil of density 0.8 gm //cm^(3) is poured into the other arm until the upper surfaces of the oil and glycerin are in the same horizontal level. Find the length of the same horizontal level. Find the length of the oil column, Density of mercury =13.6 g//cm^(3)

The density of iron is 8.54 (g(cm^-3)) . Edge length is 2.8 no and atomic mass 56 (g (mol))^-1 . Find on of atoms in unit cell.

A verticle U-tube of uniform inner cross section contains mercury in both sides of its arms. A glycerine (density =1.3g//cm^3) column of length 10 cm is introduced into one of its arms. Oil of density 0.8 gm//cm^3 is poured into the other arm until the upper surfaces of the oil and glycerine are at the same horizontal level. Find the length of the oil column, density of mercury =13.6 g//cm^3