propttle="Hydrogen"
var propnum=22
propnme = new Array(22)
propval = new Array(22)
propunt = new Array(22)
propnme[1]="Atomic number"
propval[1]="1"
propunt[1]=""
propnme[2]="Atomic / Molecular Weight"
propval[2]="1.00794"
propunt[2]="gmol<sup>-1</sup>"
propnme[3]="Density"
propval[3]="0.08987"
propunt[3]="kgm<sup>-3</sup>"
propnme[4]="Lattice constant"
propval[4]="378"
propunt[4]="fm"
propnme[5]="Melting Point "
propval[5]="13.96"
propunt[5]="K"
propnme[6]="Boiling Point "
propval[6]="20.29"
propunt[6]="K"
propnme[7]="Autoignition Temperature"
propval[7]="809"
propunt[7]="K"
propnme[8]="Specific heat capacity"
propval[8]="14300"
propunt[8]="Jkg<sup>-1</sup>K<sup>-1</sup>"
propnme[9]="Latent heat of evaporation"
propval[9]="453000"
propunt[9]="Jkg<sup>-1</sup>"
propnme[10]="Ratio of Specific Heats"
propval[10]="1.404"
propunt[10]=""
propnme[11]="Thermal conductivity "
propval[11]="0.1684"
propunt[11]="Wm<sup>-1</sup>K<sup>-1</sup>"
propnme[12]="Refractive index"
propval[12]="1.000132"
propunt[12]="at 589.3nm 101.3kPa 0°C"
propnme[13]="Refractivity"
propval[13]="0.000132"
propunt[13]=""
propnme[14]="Acoustic wave velocity (Irrotational waves)"
propval[14]="1284"
propunt[14]="ms<sup>-1</sup>"
propnme[15]="Viscosity"
propval[15]="0.00000835"
propunt[15]="Nsm<sup>-2</sup>"
propnme[16]="Kinematic Viscosity"
propval[16]="9.29119839768554E-05"
propunt[16]="m<sup>2</sup>s<sup>-1</sup>"
propnme[17]="Critical Temperature"
propval[17]="33.3"
propunt[17]="K"
propnme[18]="Critical Pressure"
propval[18]="12940000"
propunt[18]="Pa"
propnme[19]="Critical Volume"
propval[19]="0.0000655"
propunt[19]="m<sup>3</sup>mol<sup>-1</sup>"
propnme[20]="de Broglie wavelength"
propval[20]="0.000000000114"
propunt[20]="m"
propnme[21]="Electromotive Series"
propval[21]="0"
propunt[21]="V"
propnme[22]="Triple Point"
propval[22]="Equilibrium 13.81 Normal 13.956"
propunt[22]="K"