Ruthenium vs Flerovium

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PropertyRu RutheniumFl Flerovium
Atomic number44114
SymbolRuFl
NameRutheniumFlerovium
Categorytransition-metalpost-transition-metal
Standard Atomic Weight101.07 u289 u
Period57
Group814
Blocksp
Phase at STPsolidgas
Electron configuration[Kr]5s14d7[Rn] 7s27p2 5f14 6d10(predicted)
Oxidation states[-4, -2, 1, 2, 3, 4, 5, 6, 7, 8][0, 1, 2, 4, 6]
Electronegativity (Pauling)2.2N/A
Electron affinity1.05 eV-0.5 eV
Density1.210000e+4 kg/m³9928 kg/m³
Melting point2333.85 °C-273.15 °C
Boiling point4149.85 °C-63.15 °C
Discovery year18281998