Scandium vs Cerium

PropertySc ScandiumCe Cerium
Atomic number2158
SymbolScCe
NameScandiumCerium
Categorytransition-metallanthanide
Standard Atomic Weight44.955908 u140.116 u
Period46
Group3N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d1[Xe]6s24f15d1
Oxidation states[0, 1, 2, 3][1, 2, 3, 4]
Electronegativity (Pauling)1.361.12
Electron affinity0.188 eV0.955 eV
Density2990 kg/m³6770 kg/m³
Melting point1540.85 °C797.85 °C
Boiling point2835.85 °C3423.85 °C
Discovery year18791801