Question: what are some physical and chemical properties of aluminum?
Answer: Melting point: 660 °C (for AL 99,99 acc. to composition / alloying higher resp. lower)
Boiling point: 2500 °C (acc. to composition / alloying higher resp. lower)
Density: 2,70 g/cm³
Relative atomic mass 26,98.
Oxidation number: 3.
Atomic radius: 143,1 pm.
Ionic radius: 57 pm (+3)
Electrical conductivity: 36 m/Ohm·mm²