1. Aluminum properties
The properties indicated are generally those of unalloyed aluminum with a purity level ("titre") of 99.99%. Where this is not the case, the composition or standard designation is specified.
1.1 Atomic structure
Aluminum, chemical symbol Al, has atomic number Z = 13 which corresponds to 13 electrons distributed over the s and p orbital layers as follows:
Aluminum belongs to Group IIIa of the Periodic Table of the Elements.
Its (unique) valence is 3.
The atomic mass of aluminum is
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Aluminum properties
Food compatibility of aluminum and its alloys
References
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