Iron vs Cerium

PropertyFe IronCe Cerium
Atomic number2658
SymbolFeCe
NameIronCerium
Categorytransition-metallanthanide
Standard Atomic Weight55.845 u140.116 u
Period46
Group8N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d6[Xe]6s24f15d1
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7][1, 2, 3, 4]
Electronegativity (Pauling)1.831.12
Electron affinity0.151 eV0.955 eV
Density7874 kg/m³6770 kg/m³
Melting point1537.85 °C797.85 °C
Boiling point2860.85 °C3423.85 °C
Discovery yearN/A1801