Curium vs Flerovium

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PropertyCm CuriumFl Flerovium
Atomic number96114
SymbolCmFl
NameCuriumFlerovium
Categoryactinidepost-transition-metal
Standard Atomic Weight247 u289 u
Period77
GroupN/A14
Blocksp
Phase at STPsolidgas
Electron configuration[Rn]7s25f76d1[Rn] 7s27p2 5f14 6d10(predicted)
Oxidation states[3, 4, 5, 6][0, 1, 2, 4, 6]
Electronegativity (Pauling)1.3N/A
Electron affinity0.277 eV-0.5 eV
Density1.351000e+4 kg/m³9928 kg/m³
Melting point1344.85 °C-273.15 °C
Boiling point3126.85 °C-63.15 °C
Discovery year19441998