Neon vs Lawrencium

PropertyNe NeonLr Lawrencium
Atomic number10103
SymbolNeLr
NameNeonLawrencium
Categorynoble-gasactinide
Standard Atomic Weight20.1797 u262 u
Period27
Group183
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p6[Rn]7s25f146d1
Oxidation states[0][3]
Electronegativity (Pauling)N/AN/A
Electron affinity-1.2 eV0.315 eV
Density0.8999 kg/m³1.560000e+4 kg/m³
Melting point-248.59 °C1626.85 °C
Boiling point-246.05 °C-273.15 °C
Discovery year18981961