Ytterbium vs Flerovium

PropertyYb YtterbiumFl Flerovium
Atomic number70114
SymbolYbFl
NameYtterbiumFlerovium
Categorylanthanidepost-transition-metal
Standard Atomic Weight173.054 u289 u
Period67
GroupN/A14
Blocksp
Phase at STPsolidgas
Electron configuration[Xe]6s24f14[Rn] 7s27p2 5f14 6d10(predicted)
Oxidation states[0, 1, 2, 3][0, 1, 2, 4, 6]
Electronegativity (Pauling)N/AN/A
Electron affinity-0.02 eV-0.5 eV
Density6900 kg/m³9928 kg/m³
Melting point818.85 °C-273.15 °C
Boiling point1195.85 °C-63.15 °C
Discovery year18781998