Aluminum vs Scandium

← Back to Periodic Table
PropertyAl AluminumSc Scandium
Atomic number1321
SymbolAlSc
NameAluminumScandium
Categorypost-transition-metaltransition-metal
Standard Atomic Weight26.981538 u44.955908 u
Period34
Group133
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p1[Ar]4s23d1
Oxidation states[-2, -1, 0, 1, 2, 3][0, 1, 2, 3]
Electronegativity (Pauling)1.611.36
Electron affinity0.4328 eV0.188 eV
Density2700 kg/m³2990 kg/m³
Melting point660.287 °C1540.85 °C
Boiling point2518.85 °C2835.85 °C
Discovery year18251879