An element forms a body centred cubic lattice of edge length 288 pm density of the element 7.2gm `cm^(-3)`. Calculate the number of atoms and unit cell in 208gm of that element.

An element crystallizes in a body centred cubic lattice. The edge length of the unit cell is 200 pm and the density of the element is "5.0 g cm"^(-3) . Calculate the number of atoms in 100 g of this element.

An element (density=7.2 g cm^(-3) crystallises in a body centred cubic structure its unit cell edge length 2.88 overset@A . Calculate the number of atoms and the number of unit, cells present in 156 g of the element.

An element crystallizes in f.c.c. lattice with edge length of 400 pm. The density of the element is 7 g cm^(-3) . How many atoms are present in 280 g of the element ?

An element crystallises in a body-centred cubic crystal structure with the unit cell edge length of 291pm. The density of the element is 7.54g*cm^(-3) . How many unit cells are there in 168g of the element?

(i) Which type of semiconductor is sillicon having arsenic as impurity? (ii) An elements (density = 7.2g*cm^(-3) ) crystallises in a body-centred cubic structure having its cell edge length 2.88Å. Calculate the number of atoms and the number of unit cells present in 156g of the element.

An element has a bcc structure with a celledge of 288 pm. The density of the element is 7.2 g cm^(-3) . How many atoms are present in 208 g of the element?

An element crystallizes into a structure which may be describes by a cubic type of unit cell having one atom on each corner of the cube and two atoms on one of its diagonals. If the volume of this unit cell is 24xx10^(-24)cm^(3) and density of element is 7.2g cm^(-3) . Calculate the number of atoms present in 200g of element.

A metal crystallizes with a body-centred cubic lattice. The length of the unit cell edge is found to be 265 pm. Calculate the atomic radius.

A metallic element exists as a cubic lattice. Each edge of the unit cell is 2.88 Å . The density of the metal is 7.20 g cm^(-3) . How many unit cells there will be in 100g of the metal?

Gold has cubic crystals whose unic cell has edge length of 407.9 pm. Density of gold is 19.3 g cm^(-3) . Calculate the number of atoms per unit cell. Also predict the type of crystal lattice of gold (Atomic mass of gold = 197 amu)