Neon vs Dubnium

PropertyNe NeonDb Dubnium
Atomic number10105
SymbolNeDb
NameNeonDubnium
Categorynoble-gastransition-metal
Standard Atomic Weight20.1797 u268 u
Period27
Group185
Blockps
Phase at STPgasN/A
Electron configuration[He]2s22p6[Rn]7s25f146d3
Oxidation states[0][3, 4, 5]
Electronegativity (Pauling)N/AN/A
Electron affinity-1.2 eV0.56 eV
Density0.8999 kg/m³2.930000e+4 kg/m³
Melting point-248.59 °C-273.15 °C
Boiling point-246.05 °C-273.15 °C
Discovery year18981967