Indium vs Curium

PropertyIn IndiumCm Curium
Atomic number4996
SymbolInCm
NameIndiumCurium
Categorypost-transition-metalactinide
Standard Atomic Weight114.818 u247 u
Period57
Group13N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p1[Rn]7s25f76d1
Oxidation states[-5, -2, -1, 0, 1, 2, 3][3, 4, 5, 6]
Electronegativity (Pauling)1.781.3
Electron affinity0.3 eV0.277 eV
Density7310 kg/m³1.351000e+4 kg/m³
Melting point156.6 °C1344.85 °C
Boiling point2071.85 °C3126.85 °C
Discovery year18631944