Aluminium: Difference between revisions
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imported>Milton Beychok m (Minor typo fix) |
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{{Elem_Infobox | {{Elem_Infobox | ||
|elName=Aluminum | |elName=Aluminum | ||
|eltrnCfg= | |eltrnCfg=1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>1</sup> | ||
|elgroup=13 | |elgroup=13 | ||
|elperiod=3 | |elperiod=3 | ||
Revision as of 01:03, 29 April 2011
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Aluminum (American English) or aluminium (British English[1]) is a chemical element, having the chemical symbol Al. Its atomic number (the number of protons) is 13. It has a standard atomic weight of 26.98154 g•mol −1, and is typically found as a solid in its elemental form.
Aluminum is considered to be a member of the "Post-transition metal" class of element. At a pressure of 101.325 kPa, it has a boiling point of 2,519 °C, and a melting point of 660.32 °C. It is the most reactive post-transition element metal and the most abundant metal in the Earth's crust.
References
- ↑ Note: The form used by the International Union of Pure and Applied Chemistry