Advertisements
Advertisements
Question
Define the following term: Primitive unit cells
Advertisements
Solution
Primitive unit cells are defined as the unit cells in which the constituent particles are present only at the corner positions.
RELATED QUESTIONS
Describe triclinic crystal lattice with the help of a diagram.
How will you distinguish between the following pair of terms?
Crystal lattice and unit cell
An ionic crystal lattice has `r^+/r` radius ratio of 0.320, its coordination number is __
(a) 3
(b) 4
(c) 6
(d) 8
In the complexes `[Fe(CN)_6]^(3-)` and `[pt(en) (H_2O)_2(NO_2 (Cl)^(2+)]``the respective oxidation numbers of central metal atoms are
1) +3 and +4
2) +6 and + 4
3) +6 and +3
4) +3 and + 3
For a crystal of sodium chloride, state the type of lattice in which it crystallises.
How will you obtain pure potassium permanganate (KMnO4) crystals from its ore, pyrolusite? Give the steps involved and the reactions.
In a crystal of diamond:
- How many carbon atoms are present per unit cell?
- What type of lattice does diamond crystallise in?
- How many carbon atoms surround each carbon atom?
- How are they arranged?
Why ionic crystals are hard and brittle?
How many three-dimensional crystal lattices are possible?
How many unit cells are present in a cube-shaped ideal crystal of NaCl of mass 1.00 g? [Atomic masses: Na = 23, Cl = 35.5]
