Neodymium vs Mercury

PropertyNd NeodymiumHg Mercury
Atomic number6080
SymbolNdHg
NameNeodymiumMercury
Categorylanthanidetransition-metal
Standard Atomic Weight144.242 u200.592 u
Period66
GroupN/A12
Blockss
Phase at STPsolidliquid
Electron configuration[Xe]6s24f4[Xe]6s24f145d10
Oxidation states[0, 2, 3, 4][-2, 1, 2]
Electronegativity (Pauling)1.142
Electron affinity1.913 eV-0.5 eV
Density7010 kg/m³1.353360e+4 kg/m³
Melting point1020.85 °C-38.83 °C
Boiling point3073.85 °C356.73 °C
Discovery year1841N/A