Indium: Properties


Atomic

  • Atomic Mass: 114.82
  • Electronegativity:
    • Pauling: 1.78
    • Allred: 1.49
    • Absolute: 3.1 eV
  • Electron Affinity: 30 kJ mol-1
  • Polarizability: 9.7 3
  • Effective Nuclear Charge:
    • Slater: 5
    • Clementi: 8.47
    • Froese Fischer: 9.66
  • Radius:
    • In 3 +: 92 pm
    • In 1 +: 132 pm
    • Atomic: 162.6 pm
    • Covalent: 150 pm
  • Successive Ionization Energies:
    • In - In + : 558.3 kJ mol-1
    • In+1 - In+2 : 1820.6 kJ mol-1
    • In+2 - In+3 : 2704 kJ mol-1
    • In+3 - In+4 : 5200 kJ mol-1
    • In+4 - In+5 : (7400) kJ mol-1
    • In+5 - In+6 : (9500) kJ mol-1
    • In+6 - In+7 : (11700) kJ mol-1
    • In+7 - In+8 : (13900) kJ mol-1
    • In+8 - In+9 : (17200) kJ mol-1
    • In+9 - In+10 : (19700) kJ mol-1
  • Common Ions : In 3 +, In 1 +