Antimony vs Flerovium

PropertySb AntimonyFl Flerovium
Atomic number51114
SymbolSbFl
NameAntimonyFlerovium
Categorymetalloidpost-transition-metal
Standard Atomic Weight121.76 u289 u
Period57
Group1514
Blockpp
Phase at STPsolidgas
Electron configuration[Kr]5s24d105p3[Rn] 7s27p2 5f14 6d10(predicted)
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][0, 1, 2, 4, 6]
Electronegativity (Pauling)2.05N/A
Electron affinity1.07 eV-0.5 eV
Density6685 kg/m³9928 kg/m³
Melting point630.63 °C-273.15 °C
Boiling point1586.85 °C-63.15 °C
Discovery year17071998