Calculation of Density of Unit Cell
Calculation of Density of Unit Cell: Overview
This topic covers concepts, such as, Density of a Cubic Crystal System etc.
Important Questions on Calculation of Density of Unit Cell
Calcium crystallizes in a face centred cubic unit cell with a The density of the metal if it contains 0.1% schottky defects would be:

Copper crystallises in a face-centred cubic lattice and has a density of at The radius of a copper atom is:
[Atomic mass of

Iron has a body-centered cubic unit cell of cell edge . The density of iron is . The Avogadro number is
(Atomic mass of iron )

X-rays diffraction studies show that copper crystallizes in an FCC unit cell with cell edge of In a separate experiment, copper is determined to have a density of , the atomic mass of copper would be:

In face-centred cubic and body centred cubic whose unit cell lengths are and respectively, a metal crystallises into two cubic phases. What is the ratio of densities of and

A unit cell of sodium chloride has four formula units with an edge length of the unit cell . What is the density of sodium chloride?

A compound AB has rock salt type structure. The formula weight of AB is 6.023 Y amu, and the closest AB distance is nm, where Y is an arbitrary number. The density 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

Copper crystallizes in an FCC unit cell with cell edge of The density of copper is , Calculate the atomic mass of copper.

Ice crystallises in a hexagonal lattice. At the low temperature at which the structure was determined, the lattice constants were and . How many molecules are contained in a unit cell? The density of ice is at A unit cell of is shown below:

Iron exhibits -structure at room temperature. Above it transforms to -structure. Find the ratio of the density of iron at room temperature to that at (Assume the atomic radii and the molar mass of iron remain constant even with variation in temperature)

If each edge of a cubic unit cell of an element having atomic mass and density measures , then the crystal lattice is

(atomic weight ) crystallizes in the cubic system with . Its density is . Determine the cell type. Calculate the radius of atom.

Zinc selenide crystallizes in a face-centred cubic unit cell and has a density of Calculate the edge length of the unit cell.
Give the answer as the nearest integer.

An unknown metal is found to have a density of at . It is found to crystallize in a body-centered cubic lattice with a unit cell edge length of . Calculate the molar mass of the metal in grams.
Give your answer as the nearest integer.

Metallic rhodium crystallizes in a face-centered cubic lattice with a unit-cell edge length of Calculate the molar volume () of rhodium including the empty spaces. (Give answer after rounding off to the nearest integer value.)

The unit cell of copper corresponds to a face centered cube of edge length with one copper atom at each lattice point. The calculated density of copper in is _________. [Molar mass of ; Avogadro's number ] (Round off answer to nearest integer value).

An element with molar mass forms a cubic unit cell with edge length . If its density is , the radius of the element is approximately (to the nearest integer).

An element crystallizes in a structure having unit cell of an edge . Calculate the density in , if of this element contains atoms.

The density of iron crystal is . If the edge length of unit cell is and atomic mass is , find the number of atoms in the unit cell. (Given: Avogadro’s number = )
