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Aluminum @ Periodic Table of Chemical Elements

13

Al

Aluminum

26.98153868

2
8
3
Aluminum photo
PropertyValue
Atomic number13
Atomic weight26.98153868 amu
Electronic configuration1s22s22p63s23p1
Stable and very long lived isotopes27Al: 100%
Density 2.698 g/cm3 (STP)
Melting 660.25 °C
Boiling 2467 °C
Covalent radius 1.18 Å
Ionic radius 0.535 Å
First ionization potential 5.985 eV
Electron affinity -0.446 eV
Sample compounds
Al2(SO4)3
Al2O3
AlCl3
Al(OH)3
Al(NO3)3
Al2S3
Periodict table
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