Sodium vs Lutetium

PropertyNa SodiumLu Lutetium
Atomic number1171
SymbolNaLu
NameSodiumLutetium
Categoryalkali-metallanthanide
Standard Atomic Weight22.989769 u174.9668 u
Period36
Group13
Blockss
Phase at STPsolidsolid
Electron configuration[Ne]3s1[Xe]6s24f145d1
Oxidation states[-1, 0, 1][0, 1, 2, 3]
Electronegativity (Pauling)0.931.27
Electron affinity0.5479 eV0.346 eV
Density970 kg/m³9840 kg/m³
Melting point97.8 °C1662.85 °C
Boiling point882.85 °C3401.85 °C
Discovery year18071907