Sodium vs Cerium

PropertyNa SodiumCe Cerium
Atomic number1158
SymbolNaCe
NameSodiumCerium
Categoryalkali-metallanthanide
Standard Atomic Weight22.989769 u140.116 u
Period36
Group1N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ne]3s1[Xe]6s24f15d1
Oxidation states[-1, 0, 1][1, 2, 3, 4]
Electronegativity (Pauling)0.931.12
Electron affinity0.5479 eV0.955 eV
Density970 kg/m³6770 kg/m³
Melting point97.8 °C797.85 °C
Boiling point882.85 °C3423.85 °C
Discovery year18071801