Element Aluminium (Al)

Atomic number 13 · metal · Atomic mass 26.982 u

Atomic Mass
26.9820 u
Element Properties
Atomic Number 13
Atomic Mass 26.9820 u
Category metal / 后过渡金属
Group 13
Period 3
Block P
Electron Configuration [Ne] 3s² 3p¹
Electronegativity (Pauling) 1.61
Phase at STP Solid
Density 2.7 g/cm³
Year Discovered 1825

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