Chemistry - Solid State Question with Solution | TestHub

The total number of bravais lattice in 2-D crystal system is 5

A cubic system contain 9 planes of symmetry

For monoclinic system $\mathbf{a}\ne \mathbf{b}\ne \mathbf{c}$ and $\alpha \ne \beta \ne \gamma \ne 90$

The packing fraction of BCC is $52\%$