Cerium vs Mercury

PropertyCe CeriumHg Mercury
Atomic number5880
SymbolCeHg
NameCeriumMercury
Categorylanthanidetransition-metal
Standard Atomic Weight140.116 u200.592 u
Period66
GroupN/A12
Blockss
Phase at STPsolidliquid
Electron configuration[Xe]6s24f15d1[Xe]6s24f145d10
Oxidation states[1, 2, 3, 4][-2, 1, 2]
Electronegativity (Pauling)1.122
Electron affinity0.955 eV-0.5 eV
Density6770 kg/m³1.353360e+4 kg/m³
Melting point797.85 °C-38.83 °C
Boiling point3423.85 °C356.73 °C
Discovery year1801N/A