Aluminum vs Rutherfordium

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PropertyAl AluminumRf Rutherfordium
Atomic number13104
SymbolAlRf
NameAluminumRutherfordium
Categorypost-transition-metaltransition-metal
Standard Atomic Weight26.981538 u263 u
Period37
Group134
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p1[Rn]7s25f146d2
Oxidation states[-2, -1, 0, 1, 2, 3][3, 4]
Electronegativity (Pauling)1.61N/A
Electron affinity0.4328 eV0.65 eV
Density2700 kg/m³2.330000e+4 kg/m³
Melting point660.287 °C2126.85 °C
Boiling point2518.85 °C5526.85 °C
Discovery year18251964