Zirconium: Properties


Atomic

  • Atomic Mass: 91.224
  • Electronegativity:
    • Pauling: 1.33
    • Allred: 1.22
    • Absolute: 3.64 eV
  • Electron Affinity: 41.1 kJ mol-1
  • Polarizability: 17.9 3
  • Effective Nuclear Charge:
    • Slater: 3.15
    • Clementi: 6.45
    • Froese Fischer: 9.2
  • Radius:
    • Zr 2 +: 109 pm
    • Zr 4 +: 87 pm
    • Atomic: 160 pm
    • Covalent: 145 pm
  • Successive Ionization Energies:
    • Zr - Zr + : 660 kJ mol-1
    • Zr+1 - Zr+2 : 1267 kJ mol-1
    • Zr+2 - Zr+3 : 2218 kJ mol-1
    • Zr+3 - Zr+4 : 3313 kJ mol-1
    • Zr+4 - Zr+5 : 7860 kJ mol-1
    • Zr+5 - Zr+6 : (9500) kJ mol-1
    • Zr+6 - Zr+7 : (11200) kJ mol-1
    • Zr+7 - Zr+8 : (13800) kJ mol-1
    • Zr+8 - Zr+9 : (15700) kJ mol-1
    • Zr+9 - Zr+10 : (17500) kJ mol-1
  • Common Ions : Zr 2 +, Zr 4 +