Uranium: Properties


Atomic

  • Atomic Mass: 238.0289
  • Electronegativity:
    • Pauling: 1.38
    • Allred: 1.22
  • Polarizability: 27.4 3
  • Effective Nuclear Charge:
    • Slater: 1.8
  • Radius:
    • U 3 +: 103 pm
    • U 4 +: 97 pm
    • U 5 +: 89 pm
    • U 6 +: 80 pm
    • Atomic: 138.5 pm
  • Successive Ionization Energies:
    • U - U + : 584 kJ mol-1
    • U+1 - U+2 : 1420 kJ mol-1
  • Common Ions : U 3 +, U 4 +, U 5 +, U 6 +