Helium: Properties


Elementary Substances
  • Most Common Elementary Substance : He
  • Elementary Substance Class : Non-metal
  • Origin : Natural
  • Physical State : Gas
  • Density [4K] : 125 kg m-3
  • Price : ~ 4.8 USD
  • Cristal Lattice : h.c.p.
  • Melting Point : 1 K
  • Boiling Point : 4 K
  • Thermal Conductivity [300K] : 0.152 W m-1K-1
  • Heat of:
    • Fusion: 0.021 kJ mol-1
    • Vaporization: 0.082 kJ mol-1
    • Atomization: 0 kJ mol-1