Aluminium crystallises in a fcc structure. Atomic radius of the metal is 125 pm. What is the length of the side of the unit cell of the metal?

Aluminium crystallises in a cubic closed packed structure. Its metallic radius is 125 pm. (i) What is the length of the side of the unit cell? (ii) How many unit cells are there in 1.00 cm^3 of aluminium?

Gold (atomic radius = 0.144 nm) crystallises in a face centred unit cell. What is the length of the side of the cell?

Silver crsytallises in fcc lattice with all the atoms at the lattice points. The length of the edge of the unit cell as determined by X-ray diffraction studies is found 408.6 pm. The density of silver is 10.5 g cm^(-3) . Calculate the atomic mass of silver.

A crystal of lead (II) sulphide has NaCl structure. In this crystal, the shortest distance between the Pb^(2+) ion and S^(2-) ion is 297 pm. What is the length of the edge of the unit cell in lead sulphide ? Also, calculate the unit cell volume.

A solid compound X Y has NaCl structure. If radius of X^+ is 100 pm . What is the radius of Y^- ion:

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

How many atoms are present in the unit cell of fcc crystal ?