Unit Cells, Two and Three Dimensional Lattices

The figures given below show the location of atoms in three crystallographic planes in a $\mathrm{FCC}$ lattice.



The planes in the unit cell have been highlighted in the diagram below choose the correct option.

Chromium metal crystallizes with a body centred cubic lattice. The length of the unit cell edge is found to be 287 pm. What would be the density of chromium in $g/c{m}^3$?

The edge length of unit cell of a metal having molecular weight $75g/mol$is $5\AA$ which crystallizes in cubic lattice. If the density is $2g/cc$ then the radius of metal atom $\left(N_A=6\times {10}^{23}\right)$ will be (in pm):

In face centred cubic (FCC) crystal lattice, edge length is 400 pm. The diameter of greatest sphere which can be fit into the interstitial void without distortion of lattice is

A substance ${\mathrm{A}}_{\mathrm{x}}{\mathrm{B}}_{\mathrm{y}}$ crystallizes in a face centred cubic (FCC) lattice in which atoms $\text{A}$ occupy each corner of the cube and atoms $\text{B}$ occupy face centres of the cube composition of the substance ${\mathrm{A}}_{\mathrm{x}}{\mathrm{B}}_{\mathrm{y}}$ is

The coordination number of a metal crystallizing in a hexagonal close-packed structure is:

$\mathrm{CsBr}$ has bcc structure with edge length $4.3 \mathrm{\AA }$ . The shortest inter ionic distance in between ${\mathrm{Cs}}^{+}$ and ${\mathrm{Br}}^{-}$ is:

Potassium metal forms body-centered cubic crystals. What is the atomic radius of K and the volume occupied by the atoms in the unit cell if the side length of the unit cell of crystal is $0.542 \mathrm{nm}$?

What are Bravais lattices ?

What is fcc?

What fraction of one edge centred octahedral void lies in one unit cell of fcc?

A compound is formed by two elements A and B. The element B forms cubic close packed structure and atoms of A occupy $\frac{1}{3}$ of tetrahedral voids. If the formula of the compound is ${\mathrm{A}}_{\mathrm{x}}{\mathrm{B}}_{\mathrm{y}}$, then the value of $\mathrm{x}+\mathrm{y}$ is in option

Sodium metal crystallises in a body centred cubic lattice with unit cell edge length of $4 \mathrm{\AA }$. The radius of sodium atom is $\_\_\_\times {10}^{-1}\mathrm{\AA }$. (Nearest integer)

Number of crystal systems from the following where body centred unit cell can be found, is _____.

Cubic, tetragonal, orthorhombic, hexagonal, rhombohedral, monoclinic, triclinic

The correct relationships between unit cell edge length ‘$\mathrm{a}$’ and radius of sphere ‘$\mathrm{r}$’ for face-centred and body-centred cubic structures respectively are:

A compound is formed by two elements $\mathrm{X}$ and $\mathrm{Y}.$ The element $\mathrm{Y}$ forms cubic close packed arrangement and those of element $\mathrm{X}$ occupy one third of the tetrahedral voids. What is the formula of the compound?