Aluminium
Chemical element
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Aluminium is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on... Wikipedia
Symbol: Al
Density: 2.7 g/cm³
Melting point: 1,221°F (660.3°C)
Atomic mass: 26.981539 u
Atomic number: 13
Electron configuration: [Ne] 3s² 3p¹
Discoverer: Hans Christian Ørsted