HELIUM

Element Symbol ------------------He
Atomic Number -------------------2
Atomic Weight (based on C) -------4.00260
Oxidation States ------------------0
Density (g/m at 20 C) -------------1664 [-7]
Melting Point ----------------------272.2
Boiling Point -----------------------268.934
Specific Heat (cal/g. C at 25 C) ----1.24
Heat of Fusion (kcal/g.mole) --------0.005
Heat Ionization Energy -------------567
Electronegativity (dimensionless----)