Sodium vs Lawrencium

PropertyNa SodiumLr Lawrencium
Atomic number11103
SymbolNaLr
NameSodiumLawrencium
Categoryalkali-metalactinide
Standard Atomic Weight22.989769 u262 u
Period37
Group13
Blockss
Phase at STPsolidsolid
Electron configuration[Ne]3s1[Rn]7s25f146d1
Oxidation states[-1, 0, 1][3]
Electronegativity (Pauling)0.93N/A
Electron affinity0.5479 eV0.315 eV
Density970 kg/m³1.560000e+4 kg/m³
Melting point97.8 °C1626.85 °C
Boiling point882.85 °C-273.15 °C
Discovery year18071961