Aluminum vs Manganese

← Back to Periodic Table
PropertyAl AluminumMn Manganese
Atomic number1325
SymbolAlMn
NameAluminumManganese
Categorypost-transition-metaltransition-metal
Standard Atomic Weight26.981538 u54.938044 u
Period34
Group137
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p1[Ar]4s23d5
Oxidation states[-2, -1, 0, 1, 2, 3][-3, -1, 0, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)1.611.55
Electron affinity0.4328 eV-0.5 eV
Density2700 kg/m³7300 kg/m³
Melting point660.287 °C1245.85 °C
Boiling point2518.85 °C2060.85 °C
Discovery year18251774