Holmium: Properties


Atomic

  • Atomic Mass: 164.93032
  • Electronegativity:
    • Pauling: 1.23
    • Allred: 1.1
    • Absolute: <3.3 eV
  • Electron Affinity: <50 kJ mol-1
  • Polarizability: 23.6 3
  • Effective Nuclear Charge:
    • Slater: 2.85
    • Clementi: 8.11
    • Froese Fischer: 11.17
  • Radius:
    • Ho 3 +: 89 pm
    • Atomic: 176.6 pm
    • Covalent: 158 pm
  • Successive Ionization Energies:
    • Ho - Ho + : 580.7 kJ mol-1
    • Ho+1 - Ho+2 : 1139 kJ mol-1
    • Ho+2 - Ho+3 : 2204 kJ mol-1
    • Ho+3 - Ho+4 : 4100 kJ mol-1
  • Common Ions : Ho 3 +