Ruthenium vs Tin

PropertyRu RutheniumSn Tin
Atomic number4450
SymbolRuSn
NameRutheniumTin
Categorytransition-metalpost-transition-metal
Standard Atomic Weight101.07 u118.71 u
Period55
Group814
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s14d7[Kr]5s24d105p2
Oxidation states[-4, -2, 1, 2, 3, 4, 5, 6, 7, 8][-4, -3, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)2.21.96
Electron affinity1.05 eV1.112 eV
Density1.210000e+4 kg/m³7287 kg/m³
Melting point2333.85 °C231.93 °C
Boiling point4149.85 °C2601.85 °C
Discovery year1828N/A