Cerium vs Uranium

PropertyCe CeriumU Uranium
Atomic number5892
SymbolCeU
NameCeriumUranium
Categorylanthanideactinide
Standard Atomic Weight140.116 u238.02891 u
Period67
GroupN/AN/A
Blockss
Phase at STPsolidsolid
Electron configuration[Xe]6s24f15d1[Rn]7s25f36d1
Oxidation states[1, 2, 3, 4][-1, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.121.38
Electron affinity0.955 eV0.3 eV
Density6770 kg/m³1.895000e+4 kg/m³
Melting point797.85 °C1134.85 °C
Boiling point3423.85 °C4130.85 °C
Discovery year18011789