Americium: Properties


Atomic

  • Atomic Mass: (243)
  • Electronegativity:
    • Pauling: 1.3
  • Polarizability: 23.3 3
  • Effective Nuclear Charge:
    • Slater: 4.65
  • Radius:
    • Am 3 +: 107 pm
    • Am 4 +: 92 pm
    • Am 5 +: 86 pm
    • Am 6 +: 80 pm
    • Atomic: 184 pm
  • Successive Ionization Energies:
    • Am - Am + : 578.2 kJ mol-1
  • Common Ions : Am 3 +, Am 4 +, Am 5 +, Am 6 +