Draw diagram of bcc unit cell.

Draw a diagram of an animal cell annd label the various parts.

Draw a neat labelled diagram of an animal cell.

Draw a diagram of an illuninated p-n junction solar cell

Draw a labelled diagram of a plant cell as revealed by an electron microscope.

Sodium crustallises in bcc unit cell. Calculate the approximate no. of unit cells in 9.2 grams of sodium.

Calculate the number of atoms per unit cell present in simple, fcc and bcc unit cells.