Example of a unit cell with crystallographic dimensions $a \neq b \neq c, \alpha = \gamma = 90^{\circ}, \beta \neq 90^{\circ}$ is:
- ACalcite
- BGraphite
- CRhombic sulphur
- DMonoclinic sulphur
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Similar Questions
What is the total number of crystal systems associated with $14$ Bravais lattices?
Identify the crystal system in which a primitive unit cell has edge lengths $a = b = 200 \text{ pm}$ and $c = 300 \text{ pm}$ and all axial angles are $90^{\circ}$.
$Assertion (A)$: White tin is an example of a tetragonal system. $Reasoning (R)$: For a tetragonal system, $a=b=c$ and $\alpha=\beta=\gamma \neq 90^{\circ}$. The correct answer is
Distinguish between
$(i)$ Hexagonal and monoclinic unit cells
$(ii)$ Face-centred and end-centred unit cells.
$(i)$ Hexagonal and monoclinic unit cells
$(ii)$ Face-centred and end-centred unit cells.
Medium
View SolutionWhen atoms are placed at the corners of all $12$ edges of a unit cell,what is the number of atoms present per unit cell?
Easy
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