Which bonds connect the carbon atoms in a diamond crystal?

At what temperature does the carbon atom of diamond split?

The defect which is caused  if some of the lattice  points are unoccupied are called 

The conductively due to the positive holes are called

At what temperature diamond can be vapourized?

How many carbon atoms surrounded each carbon atom in diamond structure?

Carbon atoms in a diamond crystal are in a state of

_________________ crystal consists of an assemblage of positive ions immersed in a sea of mobile electrons.

________________ is a good example of covalent crystal .

Which covalent network crystal is an exception in electrical conductivity?