Ruthenium vs Mercury

← Back to Periodic Table
PropertyRu RutheniumHg Mercury
Atomic number4480
SymbolRuHg
NameRutheniumMercury
Categorytransition-metaltransition-metal
Standard Atomic Weight101.07 u200.592 u
Period56
Group812
Blockss
Phase at STPsolidliquid
Electron configuration[Kr]5s14d7[Xe]6s24f145d10
Oxidation states[-4, -2, 1, 2, 3, 4, 5, 6, 7, 8][-2, 1, 2]
Electronegativity (Pauling)2.22
Electron affinity1.05 eV-0.5 eV
Density1.210000e+4 kg/m³1.353360e+4 kg/m³
Melting point2333.85 °C-38.83 °C
Boiling point4149.85 °C356.73 °C
Discovery year1828N/A