The Braggs equation is

Which bond connects the carbon atom in a diamond crystal?

Diamond is a _______ crystal.

The force that binds a metal ion to a number of electrons within its sphere of influence is known as 

________________ is the property of a material by which it allows the flow if electric current.

The conductivity due to the positive holes are called

Carbon atoms in a diamond crystal are in  a state of

_______________ is the smallest fundamental repeating portion of a crystal lattice from which the crystal is built by repetition in  three dimension.

Increased ______ causes the carbon atoms to splits in diamond.