Increased ______ causes the carbon atoms in diamond to split.
Thermal energy
Wind energy
Kinetic energy
Vibrational energy
Which of the following allows light to pass through it?
diamond
coal
lead
graphite
Which of the following has 1.54 Ao bond length throughout the crystal?
sodium chloride
silicon carbide
Graphite is a covalent network crystal but what is its exceptional property?
High melting point
Low volatile
Bad conduction
Good conduction
