Lutetium vs Flerovium

PropertyLu LutetiumFl Flerovium
Atomic number71114
SymbolLuFl
NameLutetiumFlerovium
Categorylanthanidepost-transition-metal
Standard Atomic Weight174.9668 u289 u
Period67
Group314
Blocksp
Phase at STPsolidgas
Electron configuration[Xe]6s24f145d1[Rn] 7s27p2 5f14 6d10(predicted)
Oxidation states[0, 1, 2, 3][0, 1, 2, 4, 6]
Electronegativity (Pauling)1.27N/A
Electron affinity0.346 eV-0.5 eV
Density9840 kg/m³9928 kg/m³
Melting point1662.85 °C-273.15 °C
Boiling point3401.85 °C-63.15 °C
Discovery year19071998