Germanium vs Ruthenium

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PropertyGe GermaniumRu Ruthenium
Atomic number3244
SymbolGeRu
NameGermaniumRuthenium
Categorymetalloidtransition-metal
Standard Atomic Weight72.63 u101.07 u
Period45
Group148
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p2[Kr]5s14d7
Oxidation states[-4, -3, -2, -1, 0, 1, 2, 3, 4][-4, -2, 1, 2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)2.012.2
Electron affinity1.232 eV1.05 eV
Density5323.4 kg/m³1.210000e+4 kg/m³
Melting point938.25 °C2333.85 °C
Boiling point2832.85 °C4149.85 °C
Discovery year18861828