Diamond is a _______ crystal.
opaque
transparent
translucent
none of these
An example of metal excess defects is
Agcl
Nacl
Cscl
Fes
At what temperature does the carbon atom of diamond split?
40oC
4000oC
400oC
40000oC
____________ defect arise when an ions occupies an interestitial position between the lattice points.
Point defect
Schottky defect
Frenkel defect
Metal excess defect
Which is the crystal that vapourizes at 7000oC?
sodium chloride
graphite
diamond
silicon carbide
An example of metal deficiency defect is
Which crystal is not made up of ions?
covalent network crystals
ion crystal
both a and b
The ability of certain ultra cold substances to conduct electricity without resistance is called
n- type semiconductors
p- type semiconductors
Superconductors
Conductors
Increased ______ causes the carbon atoms in diamond to split.
Thermal energy
wind energy
kinetic energy
vibrational energy
The total number of atoms per unit cell is bcc is
1
2
3
4