Radon vs Seaborgium

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PropertyRn RadonSg Seaborgium
Atomic number86106
SymbolRnSg
NameRadonSeaborgium
Categorynoble-gastransition-metal
Standard Atomic Weight222 u271 u
Period67
Group186
Blockps
Phase at STPgasN/A
Electron configuration[Xe]6s24f145d106p6[Rn]7s25f146d4
Oxidation states[0, 2, 6][3, 4, 5, 6]
Electronegativity (Pauling)N/AN/A
Electron affinity-0.7 eV0.85 eV
Density9.73 kg/m³3.500000e+4 kg/m³
Melting point-71.15 °C-273.15 °C
Boiling point-61.7 °C-273.15 °C
Discovery year19001974