The density of a metal (atomic mass = 60.2) with face centred cubic lattice is `6.25 gm cm^-3`. Calculate the edge length of the unit cell.

The density of a face centred cubic element (atomic mass = 40 ) is 4.25 gm cm^(-3) , calculate the edge length of the unit cell.

The radius of chromium atom is 1.25Å . If it crystallises in body centred cubic lattice, calculate the length of the edge of the unit cell.

The radius of copper atom is 128 pm. It it crystallises in face centred cubic lattice (fcc), what will be the length the edge of the unit cell ?

A metal has face-centred cubic unit cell. The radius of an atom of the metal is 1.28Å. What is the edge length of the unit cell?

The element chromium crystallises in a body centred cubic lattice whose density is 7.20g//cm^(3) . The length of the edge of the unit cell is 288.4 pm. Calculate Avogadro's number (Atomic mas of Cr = 52).

An element crystallises in a face-centred cubic lattice. The distance between the nearest neighbours in the unit cell is 282.8pm. Calculate the edge length of the unit cell, and the radius of an atom of the element.

Copper form face centred cubic lattice with side length 362 pm. Calculate its density (Cu=63.55).

(i) What is ferromagnetic substance? (ii) KBr crystallises in face-centred cubic (fcc) crystals. The density and formula mass of KBr crystal are 2.65g*cm^(-3) and 119g*mol^(-1) respectively. Find the distance between K^(+)andBr^(-) ions in KBr crystal. or, (i) Which kind of defect in ionic crystal does not alter the density? (ii) An element X has atomic mass 60g*mol^(-1) and density 6.23g*cm^(-3) . The edge length of its unit cell is 400 pm. Identify the type of the unit cubic cell. Calculate the radius of X atom.

The metal calcium crystallizes in a face centred cubic unit cell with a = 0.556 nm. Calculate the density of the metal if it contains 0.2% Frenkel defect