Neptunium: Properties


Elementary Substances
  • Most Common Elementary Substance : Np
  • Elementary Substance Class : Metal
  • Origin : Artificial
  • Physical State : n.a.
  • Density [298K] : 20250 kg m-3
  • Melting Point : 913 K
  • Boiling Point : 4175 K
  • Electrical Conductivity [298K] : 8.2x105 Ohm-1m-1
  • Thermal Conductivity [300K] : 6.3 W m-1K-1
  • Heat of:
    • Fusion: 9.46 kJ mol-1
    • Vaporization: 336.6 kJ mol-1