Magnesium vs Gallium

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PropertyMg MagnesiumGa Gallium
Atomic number1231
SymbolMgGa
NameMagnesiumGallium
Categoryalkaline-earth-metalpost-transition-metal
Standard Atomic Weight24.3055 u69.723 u
Period34
Group213
Blocksp
Phase at STPsolidsolid
Electron configuration[Ne]3s2[Ar]4s23d104p1
Oxidation states[0, 1, 2][-5, -4, -3, -2, -1, 0, 1, 2, 3]
Electronegativity (Pauling)1.311.81
Electron affinity-0.4 eV0.3 eV
Density1740 kg/m³5910 kg/m³
Melting point649.85 °C29.76 °C
Boiling point1089.85 °C2203.85 °C
Discovery year17551875