Identify the type of unit cell containing a single particle.

If the edge length of a cubic unit cell of $Li$ having $bcc$ structure is $351 \, pm$, then the radius of the $Li$ atom will be ............ $pm$.

Which of the following represents the correct axial distances and axial angles for the rhombohedral crystal system?

Which of the following crystals has the unit cell such that $a=b \neq c$ and $\alpha=\beta=90^{\circ}$,$\gamma=120^{\circ}$?

The crystal system following the parameters $a \neq b \neq c$ and $\alpha \neq \beta \neq \gamma \neq 90^\circ$ is ...... .

Where are the constituent particles located in an end-centered unit cell?