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

The density of mercury is 13.6 g ml^-1. The approximate diameter of an atom of mercury assuming that each atom is occupying a cube of edge length equal to the diameter of the mercury atom 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:

In a compound, atoms of an element $\mathrm{Y}$ form $\mathrm{CCP}$ lattice and those of element $\mathrm{X}$ occupies ${\frac{2}{3}}^{\mathrm{rd}}$ of the tetrahedral voids. The formula of the compound can be

What is the radius of sodium atom if it crystallizes in $\mathrm{bcc}$ structure with the cell edge of $400 \mathrm{pm}$ ?

Define centred unit cell. What are the types of centred unit cells?

The number of atoms per unit cell of body centred cube is:

The relationship between edge length and the radius of the simple cubic unit cell is _____.

What is coordination number? Give the coordination number of the simple cubic lattice.

Calculate the packing efficiency in case of metal crystal for simple cubic unit cell.

Explain how the particles are arranged in the simple cubic lattice.