Radon vs Dubnium

PropertyRn RadonDb Dubnium
Atomic number86105
SymbolRnDb
NameRadonDubnium
Categorynoble-gastransition-metal
Standard Atomic Weight222 u268 u
Period67
Group185
Blockps
Phase at STPgasN/A
Electron configuration[Xe]6s24f145d106p6[Rn]7s25f146d3
Oxidation states[0, 2, 6][3, 4, 5]
Electronegativity (Pauling)N/AN/A
Electron affinity-0.7 eV0.56 eV
Density9.73 kg/m³2.930000e+4 kg/m³
Melting point-71.15 °C-273.15 °C
Boiling point-61.7 °C-273.15 °C
Discovery year19001967