Gallium vs Curium

PropertyGa GalliumCm Curium
Atomic number3196
SymbolGaCm
NameGalliumCurium
Categorypost-transition-metalactinide
Standard Atomic Weight69.723 u247 u
Period47
Group13N/A
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p1[Rn]7s25f76d1
Oxidation states[-5, -4, -3, -2, -1, 0, 1, 2, 3][3, 4, 5, 6]
Electronegativity (Pauling)1.811.3
Electron affinity0.3 eV0.277 eV
Density5910 kg/m³1.351000e+4 kg/m³
Melting point29.76 °C1344.85 °C
Boiling point2203.85 °C3126.85 °C
Discovery year18751944