List of top Chemistry Questions on Unit Cells

Given below are statements
Statement I: Unit cell in a lattice has six characteristic parameters
Statement II: In fcc lattice, the total number of atoms/ions per unit cell is 4
A compound is formed by \(A\) (cations), \(B\) (cations) and \(O\) (anions). Atoms of \(O\) form a ccp lattice. Atoms of \(A\) occupy \(50\%\) of octahedral voids and atoms of \(B\) occupy \(25\%\) of tetrahedral voids. What is the molecular formula of the compound?
Metals A and B crystallize in "simple cubic" and "face centered cubic" lattice respectively. The number of metal atoms A and B per unit cell are respectively:
The fraction of the total volume occupied by the atoms present in a face centred cubic unit cell is
A metal crystallizes in a bcc unit cell having unit cell volume \(2.5\times 10^{-23} \text{cm}^3\). Find the number of unit cells in 18 g metal if the density of metal is \(7.2 \text{g cm}^{-3}\).
A metal has a fcc structure if the edge length of unit cell is 200 pm, calculate the volume occupied by particles in a unit cell.
Calculate the radius of atom of metal forming fcc unit cell having edge length \(360\) pm
Calculate the density of an element having molar mass \(225 \text{g mol}^{-1}\) forming bcc structure \([a^3\times N_A = 75 \text{cm}^3\text{mol}^{-1}]\)
In ionic solid, anions are arranged in hcp array and cations occupy \(\frac{1}{2}\) tetrahedral voids. What is the formula of ionic compound ?
[Consider A = Cation ; B = anion]
Calculate the total volume of simple cubic unit cell in \(\text{cm}^3\) if void volume is \(2.0\times 10^{-23}\,\text{cm}^3\)
What is the number of tetrahedral voids present in \(0.5\) mole of compound forming hcp structure?
Gold crystallizes as fcc unit cell, the edge length of unit cell is \(408\) pm. What is the radius of gold atom?
A metal forms fcc structure. Calculate the volume of fcc unit cell in \(\text{cm}^3\) if void volume is \(1.66\times 10^{-23} \text{cm}^3\).
What is the total number of adjacent unit cells shared by each face particle of fcc unit cell ?
Calculate the number of unit cell in \(0.5\) g metal if the product of volume and density of unit cell is \(6.65\times 10^{-23}\) g
What is the total number of Bravais lattices in orthorhombic crystal system?
Calculate the number of atoms present in \(1 \text{g}\) metal that forms simple unit cell structure if product of density and volume of unit cell is \(66.5\times 10^{-24} \text{g}\)
Calculate the number of atoms in 1 g metal that forms bcc crystal structure \([ρ\times a^3 = 6\cdot 6\times 10^{-22}\text{ g}]\)
Calculate the void volume of bcc unit cell if volume of unit cell is \(8\cdot 0\times 10^{-23}\text{ cm}^3\)
Calculate the number of unit cells in \(1\text{cm}^3\) of metal if it forms simple cubic structure with unit cell edge length 500 pm.
Find the volume occupied by a particle in a simple cubic unit cell if the radius of a particle in it is 190 pm.
When silver crystallizes, it forms face centered cubic cells, if the volume of unit cells \(6.84\times 10^{-23} \text{cm}^3\). Calculate the density of silver. (Molar mass of silver is 108 g/mol, \(N_A = 6.022\times 10^{23}\))
What is the coordination number of Ag in a crystal lattice?
What is the total contribution of all corner particles in bcc unit cell?
In the fcc structure, the number of tetrahedral holes per sphere is