propttle="Copper"
var propnum=20
propnme = new Array(20)
propval = new Array(20)
propunt = new Array(20)
propnme[1]="Atomic number"
propval[1]="29"
propunt[1]=""
propnme[2]="Atomic / Molecular Weight"
propval[2]="63.546"
propunt[2]="gmol<sup>-1</sup>"
propnme[3]="Density"
propval[3]="8933"
propunt[3]="kgm<sup>-3</sup>"
propnme[4]="Crystal Structure"
propval[4]="fcc"
propunt[4]=""
propnme[5]="Lattice constant"
propval[5]="361"
propunt[5]="fm"
propnme[6]="Melting Point "
propval[6]="1358.04"
propunt[6]="K"
propnme[7]="Boiling Point "
propval[7]="2863"
propunt[7]="K"
propnme[8]="Tensile strength "
propval[8]="1.2e8 to 4.0e8"
propunt[8]="Nm<sup>-2</sup>"
propnme[9]="Youngs modulus"
propval[9]="110E+09 to 120E+09"
propunt[9]="Nm<sup>-2</sup>"
propnme[10]="Poissons ratio"
propval[10]="0.33 to 0.36"
propunt[10]=""
propnme[11]="Linear expansivity"
propval[11]="0.0000165"
propunt[11]="K<sup>-1</sup>"
propnme[12]="Specific heat capacity"
propval[12]="385"
propunt[12]="Jkg<sup>-1</sup>K<sup>-1</sup>"
propnme[13]="Latent heat of fusion"
propval[13]="172000"
propunt[13]="Jkg<sup>-1</sup>"
propnme[14]="Thermal conductivity "
propval[14]="385 to 403"
propunt[14]="Wm<sup>-1</sup>K<sup>-1</sup>"
propnme[15]="Acoustic wave velocity (longitudinal bulk waves)"
propval[15]="4759"
propunt[15]="ms<sup>-1</sup>"
propnme[16]="Acoustic wave velocity (Irrotational waves)"
propval[16]="3813"
propunt[16]="ms<sup>-1</sup>"
propnme[17]="Acoustic wave velocity (Shear waves)"
propval[17]="2325"
propunt[17]="ms<sup>-1</sup>"
propnme[18]="Acoustic wave velocity (Rayleigh waves)"
propval[18]="2171"
propunt[18]="ms<sup>-1</sup>"
propnme[19]="Bulk Modulus of Rigidity"
propval[19]="137800000000"
propunt[19]="Nm<sup>-2</sup>"
propnme[20]="Electromotive Series"
propval[20]="-0.47"
propunt[20]="V"