The unit cell present in the crystal lattice of diamond is

How many types of unit cells are found in a primitive cubic unit cell?

Lithium forms $BCC$ structure having an edge length of unit cell $351 \ pm$. What is the atomic radius of lithium (in $pm$)?

Intercepts of a plane in a crystal are given by $a$, $b/2$, $3c$ in a simple cubic unit cell. The Miller indices are:

Among the following,the crystal system which includes end-centered is

Number of crystal systems from the following where body-centered unit cell can be found,is $.........$ Cubic,tetragonal,orthorhombic,hexagonal,rhombohedral,monoclinic,triclinic.