Europium vs Flerovium

PropertyEu EuropiumFl Flerovium
Atomic number63114
SymbolEuFl
NameEuropiumFlerovium
Categorylanthanidepost-transition-metal
Standard Atomic Weight151.964 u289 u
Period67
GroupN/A14
Blocksp
Phase at STPsolidgas
Electron configuration[Xe]6s24f7[Rn] 7s27p2 5f14 6d10(predicted)
Oxidation states[0, 2, 3][0, 1, 2, 4, 6]
Electronegativity (Pauling)N/AN/A
Electron affinity0.116 eV-0.5 eV
Density5240 kg/m³9928 kg/m³
Melting point821.85 °C-273.15 °C
Boiling point1528.85 °C-63.15 °C
Discovery year18961998