Neon vs Rutherfordium

PropertyNe NeonRf Rutherfordium
Atomic number10104
SymbolNeRf
NameNeonRutherfordium
Categorynoble-gastransition-metal
Standard Atomic Weight20.1797 u263 u
Period27
Group184
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p6[Rn]7s25f146d2
Oxidation states[0][3, 4]
Electronegativity (Pauling)N/AN/A
Electron affinity-1.2 eV0.65 eV
Density0.8999 kg/m³2.330000e+4 kg/m³
Melting point-248.59 °C2126.85 °C
Boiling point-246.05 °C5526.85 °C
Discovery year18981964