Titanium vs Ruthenium

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PropertyTi TitaniumRu Ruthenium
Atomic number2244
SymbolTiRu
NameTitaniumRuthenium
Categorytransition-metaltransition-metal
Standard Atomic Weight47.867 u101.07 u
Period45
Group48
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d2[Kr]5s14d7
Oxidation states[-2, -1, 0, 1, 2, 3, 4][-4, -2, 1, 2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)1.542.2
Electron affinity0.0755 eV1.05 eV
Density4500 kg/m³1.210000e+4 kg/m³
Melting point1667.85 °C2333.85 °C
Boiling point3286.85 °C4149.85 °C
Discovery year17911828