What is the C-C bond length in diamond?
1.31 Ao
2.6 Ao
1.54 Ao
0.86 Ao
Which covalent network crystal is an exception in electrical conductivity?
silicon carbide
diamond
graphite
none of these
Crystals having irregular external shapes but regular internal structures are known as
Crystallites
Primitives
Poly crystals
Unit cell
