propttle="Carbon"
var propnum=9
propnme = new Array(9)
propval = new Array(9)
propunt = new Array(9)
propnme[1]="Atomic number"
propval[1]="6"
propunt[1]=""
propnme[2]="Mass number"
propval[2]="12"
propunt[2]=""
propnme[3]="Atomic / Molecular Weight"
propval[3]="12.011"
propunt[3]="gmol<sup>-1</sup>"
propnme[4]="Density"
propval[4]="2266"
propunt[4]="kgm<sup>-3</sup>"
propnme[5]="Lattice constant"
propval[5]="357"
propunt[5]="fm"
propnme[6]="Linear expansivity"
propval[6]="1e-6 to 3.1e-6"
propunt[6]="K<sup>-1</sup>"
propnme[7]="Specific heat capacity"
propval[7]="711 graphite, 519 diamond"
propunt[7]="Jkg<sup>-1</sup>K<sup>-1</sup>"
propnme[8]="Refractive index"
propval[8]="2.417 diamond"
propunt[8]="at 589.3nm 101.3kPa 0°C"
propnme[9]="Bulk Modulus of Rigidity"
propval[9]="542e9 (diamond) 33e9 (graphite)"
propunt[9]="Nm<sup>-2</sup>"