Element: Aluminum (Al)

Element (Atom) NameAluminum
SymbolAl
Physical state at room temperatureSolid
Element ClassificationMetal
Group NameNone
Period Number (Periodic table) 3
Group number (Periodic table)13
Atomic number13
Atomic weight26.9815385 (Ref: Jlab-ele013, Nist-13)
26.9815384 (Ref: ciaaw-aluminium)
26.98 (Ref: Lanl-13)
Atomic Radius184 pm (Van der Waals) (Ref: Lanl-13)
Density2.70 g/cm3 (Ref: Jlab-ele013)
Melting point660.323°C (Ref: Jlab-ele013)
660.32 °C (Ref: Lanl-13)
Boiling point2519°C (Ref: Jlab-ele013)
2470 °C (Ref: Lanl-13)
Electron shell configuration1s2 
2s2 2p6 
3s2 3p1
Oxidation States+3 (Ref: Jlab-ele013)
+3, +2, +1, −1, −2 ​(an amphoteric oxide) (Ref: Lanl-13)
Ionization Energy5.986 eV (Ref: Jlab-ele013)
5.985769  eV (Ref: Nist-13)
Number of Stable Isotopes1
InChIInChI=1S/Al (Ref: Pubchem-13)
InChI KeyXAGFODPZIPBFFR-UHFFFAOYSA-N (Ref: Pubchem-13)
Remarks 

REFERENCES

  • Jlab-ele013: https://education.jlab.org/itselemental/ele013.html
  • Lanl-13: https://periodic.lanl.gov/13.shtml
  • ciaaw-aluminium : https://www.ciaaw.org/aluminium.htm
  • Nist-13 : https://physics.nist.gov/cgi-bin/Elements/elInfo.pl?element=13
  • Pubchem-13: https://pubchem.ncbi.nlm.nih.gov/element/13
  • science.co.il: https://www.science.co.il/elements/

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