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.

(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 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?

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.

Silver crystallises in a face-centred cubic structure with unit cells having an edge length of 407pm. What is the radius of a silver atom in nm unit?

An element crystallises in cubic structure. Its density is 2.41g*cm^(-3) . The edge length of the unit cell of the crystal is 1.8Å. How many number of unit cells are present in 250g of element?

Sodium crystallises in a bcc lattice having unit cell with an edge length of 4.29Å. Calculate the number of unit cells present in 2.3g of Na metal. Determine the number of atoms present in 1 cc of unit cell.

Iron crystallises in a body centred cubic structure. Calculate the radius of iron atom if edge length of unit cell is 286 pm.

An element 'x' (Atomic mass = 40 g mol^(-1) ) having f.c.c. structure has unit cell edge length of 400 pm. Calculate the density of 'x' and the number of unit cells in 4 g of 'x'

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.