Gallium vs Lutetium

PropertyGa GalliumLu Lutetium
Atomic number3171
SymbolGaLu
NameGalliumLutetium
Categorypost-transition-metallanthanide
Standard Atomic Weight69.723 u174.9668 u
Period46
Group133
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p1[Xe]6s24f145d1
Oxidation states[-5, -4, -3, -2, -1, 0, 1, 2, 3][0, 1, 2, 3]
Electronegativity (Pauling)1.811.27
Electron affinity0.3 eV0.346 eV
Density5910 kg/m³9840 kg/m³
Melting point29.76 °C1662.85 °C
Boiling point2203.85 °C3401.85 °C
Discovery year18751907