Lithium vs Ruthenium

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PropertyLi LithiumRu Ruthenium
Atomic number344
SymbolLiRu
NameLithiumRuthenium
Categoryalkali-metaltransition-metal
Standard Atomic Weight6.9675 u101.07 u
Period25
Group18
Blockss
Phase at STPsolidsolid
Electron configuration[He]2s1[Kr]5s14d7
Oxidation states[1][-4, -2, 1, 2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)0.982.2
Electron affinity0.61804 eV1.05 eV
Density534 kg/m³1.210000e+4 kg/m³
Melting point180.5 °C2333.85 °C
Boiling point1341.85 °C4149.85 °C
Discovery year18171828