Atomic

• Atomic Mass: (247)
• Electronegativity:
  • Pauling: 1.3
• Polarizability: 23 ų
• Effective Nuclear Charge:
  • Slater: 1.8
• Radius:
  • Cm ^{2 +}: 119 pm
  • Cm ^{3 +}: 99 pm
  • Cm ^{4 +}: 88 pm

• Successive Ionization Energies:
  • Cm -› Cm ⁺ : 581 kJ mol^-1
• Common Ions : Cm ^{2 +}, Cm ^{3 +}, Cm ^{4 +}