Gallium vs Tin

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PropertyGa GalliumSn Tin
Atomic number3150
SymbolGaSn
NameGalliumTin
Categorypost-transition-metalpost-transition-metal
Standard Atomic Weight69.723 u118.71 u
Period45
Group1314
Blockpp
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p1[Kr]5s24d105p2
Oxidation states[-5, -4, -3, -2, -1, 0, 1, 2, 3][-4, -3, -2, -1, 0, 1, 2, 3, 4]
Electronegativity (Pauling)1.811.96
Electron affinity0.3 eV1.112 eV
Density5910 kg/m³7287 kg/m³
Melting point29.76 °C231.93 °C
Boiling point2203.85 °C2601.85 °C
Discovery year1875N/A