Sodium crystallises in body centred cubic unit cell. What is the approximate number of unit cells in 4.6 g of sodium ? Given that the atomic mass of sodium is 23 g `mol^(-1)`.

Potassium crystallizes in a body centred cubic lattice . What is the approximate number of unit cells in 4.0 gm of potassium ? (Atomic mass of potassium =39)

Potassium crystallizes in a body centred cubic lattice . What is the approximate number of unit cells in 4.0 gm of potassium ? (Atomic mass of potassium =39)

Sodium crystallizes in a body-centred cubic (bcc) unit cell. Calculate the approximate number of unit cells in 9.2g of sodium. (Atomic mass of Na = 23u).

Potassium crystallizes in a body centered cubic lattice. What is the approximate number of unit cells in 4.0g of potassium? Atomic mass of potassium = 39.

Potassium crystallizes in a body centered cubic lattice. What is the approximate number of unit cells in 4.0g of potassium? Atomic mass of potassium = 39.

(i) What is a semiconductor ? Mention two main types of semiconductors. (ii) Sodium crystallizes in a body centred cubic (bcc) unit cell. Calculate the approximate number of unit cells in 9.2 g of sodium. (Atomic mass of Na = 23 u)

Sodium crystallizes in a bcc unit cell. Calcuate the approximate number of unit cells in 9.2 g of sodium (Atomic mass of Na=23)

Sodium crystallizes in a bcc unit cell. Calculate the approximate number of unit cells in 9.2 g of sodium. ( Atomic mass Na 23 u ) .