Manganese vs Cerium

PropertyMn ManganeseCe Cerium
Atomic number2558
SymbolMnCe
NameManganeseCerium
Categorytransition-metallanthanide
Standard Atomic Weight54.938044 u140.116 u
Period46
Group7N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d5[Xe]6s24f15d1
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5, 6, 7][1, 2, 3, 4]
Electronegativity (Pauling)1.551.12
Electron affinity-0.5 eV0.955 eV
Density7300 kg/m³6770 kg/m³
Melting point1245.85 °C797.85 °C
Boiling point2060.85 °C3423.85 °C
Discovery year17741801