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The following types of solids contain molecules as constituent particles?
Concept: Types of Solids
A compound is made up of two elements X and Y and crystallizes in bcc structure. Atoms of X are present at the corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is ______.
Concept: Classification of Crystalline Solids
Write the relationship between radius of atom and edge length of fcc unit cell.
Concept: Cubic System
If the total volume of a simple cubic unit cell is 6.817 × 10-23 cm3, what is the volume occupied by particles in the unit cell?
Concept: Cubic System
Calculate the number of unit cells in 0.3 g of a species having density of 8.5 g/cm3 and unit cell edge length 3.25 × 10-8 cm.
Concept: Cubic System
Calculate the packing efficiency for bcc lattice.
Concept: Packing Efficiency
The unit cell of Na is bcc and its density is 0.97 g/cm3. What is the radius of a sodium atom if the molar mass of Na is 23 g/mol?
Concept: Crystal Structure
Derive the relationship between density of substance, its molar mass, and the unit cell edge length. Explain how you will calculate the number of particles, and a number of unit cells in x g of metal.
Concept: Cubic System
The coordination number of atoms in body-centred cubic structure (bcc) is ______.
Concept: Cubic System
Write the consequences of Schottky defect with reasons.
Concept: Crystal Defects or Imperfections
Explain metal deficiency defect with examples.
Concept: Crystal Defects or Imperfections
Aluminium crystallises in a cubic close-packed structure with a unit cell edge length of 353.6 pm. What is the radius of Al atom? How many unit cells are there in 1.00 cm3 of Al?
Concept: Packing of Particles in Crystal Lattice
An element has a bee structure with unit cell edge length of 288 pm. How many unit cells and number of atoms are present in 200 g of the element?
Concept: Cubic System
Name a compound where Frenkel defect is found.
Concept: Crystal Defects or Imperfections
The relation between the radius of the sphere and the edge length in the body-centred cubic lattice is given by the formula ______.
Concept: Packing Efficiency
Explain the following term:
Substitutional impurity defect
Concept: Crystal Defects or Imperfections
Explain the following term:
Interstitial impurity defect
Concept: Crystal Defects or Imperfections
Silver crystallizes in the fcc structure. If the edge length of the unit cell is 400 pm, calculate the density of silver (Atomic mass of Ag = 108).
Concept: Cubic System
The number of particles present in Face Centred Cubic Unit cell is/are ______.
Concept: Cubic System
Predict the type of cubic lattice of a solid element having edge length of 400 pm and density is 6.25 g/ml.
(Atomic mass of element = 60)
Concept: Packing of Particles in Crystal Lattice
