propttle="Lead"
var propnum=17
propnme = new Array(17)
propval = new Array(17)
propunt = new Array(17)
propnme[1]="Atomic number"
propval[1]="82"
propunt[1]=""
propnme[2]="Atomic / Molecular Weight"
propval[2]="207.2"
propunt[2]="gmol<sup>-1</sup>"
propnme[3]="Density"
propval[3]="11343"
propunt[3]="kgm<sup>-3</sup>"
propnme[4]="Crystal Structure"
propval[4]="fcc"
propunt[4]=""
propnme[5]="Lattice constant"
propval[5]="495"
propunt[5]="fm"
propnme[6]="Melting Point "
propval[6]="600.662"
propunt[6]="K"
propnme[7]="Boiling Point "
propval[7]="2033"
propunt[7]="K"
propnme[8]="Tensile strength "
propval[8]="12e6 to 17e6"
propunt[8]="Nm<sup>-2</sup>"
propnme[9]="Linear expansivity"
propval[9]="0.0000289"
propunt[9]="K<sup>-1</sup>"
propnme[10]="Specific heat capacity"
propval[10]="130"
propunt[10]="Jkg<sup>-1</sup>K<sup>-1</sup>"
propnme[11]="Latent heat of fusion"
propval[11]="23000"
propunt[11]="Jkg<sup>-1</sup>"
propnme[12]="Thermal conductivity "
propval[12]="35"
propunt[12]="Wm<sup>-1</sup>K<sup>-1</sup>"
propnme[13]="Acoustic wave velocity (longitudinal bulk waves)"
propval[13]="2160"
propunt[13]="ms<sup>-1</sup>"
propnme[14]="Acoustic wave velocity (Irrotational waves)"
propval[14]="1188"
propunt[14]="ms<sup>-1</sup>"
propnme[15]="Acoustic wave velocity (Shear waves)"
propval[15]="700"
propunt[15]="ms<sup>-1</sup>"
propnme[16]="Bulk Modulus of Rigidity"
propval[16]="45800000000"
propunt[16]="Nm<sup>-2</sup>"
propnme[17]="Electromotive Series"
propval[17]="0.13"
propunt[17]="V"