Give an example for the crystals for which the faces are like ?
Galena
Glass
Flurospar
None of these
Give an example of amorphous solids ?
Diamond
Graphite
Charcoal
The crystal that can be seen through only microscope are called ?
Microscopic
Microcrystalline
Macroscopic
Macro crystalline
What is an outstanding character of crystalline solid ?
It doesn't have definite shape.
It had high boiling point.
It has sharp melting point.
It doesn't conduct electricity.
Name the representative crystals which does not have the crystal structure same as that of NaCl from below ?
PbS
RbF
CsBr
LiH
In a body centered cubic cell, an atom at the body of the centre is shared by ?
4 unit cells
3 unit cells
1 unit cell
2 unit cells
Name the representative crystals which have face centered cubic crystal structure from below ?
NaI
CsI
NH4Cl
Name the representative crystals which does not have the crystal structure same as that of CsCl from below ?
TIBr
From the given example which is not a class of crystal ?
Cubic
Pentagonal
Hexagonal
Tetragonal