Photos of Aluminium containers products+تصویرظروف یکبارمصرف ٰآلومینیومی

Photoes of Aluminum containers products

Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has a great affinity towards oxygen, and forms a protective layer of oxide on the surface when exposed to air. Aluminium visually resembles silver, both in its color and in its great ability to reflect light. It is soft, non-magnetic and ductile. It has one stable isotope, ²⁷Al; this isotope is very common, making aluminium the twelfth most common element in the Universe. The radioactivity of ²⁶Al is used in radiodating.

Chemically, aluminium is a post-transition metal in the boron group; as is common for the group, aluminium forms compounds primarily in the +3 oxidation state. The aluminium cation Al³⁺ is small and highly charged; as such, it is polarizing, and bonds aluminium forms tend towards covalency. The strong affinity towards oxygen leads to aluminium's common association with oxygen in nature in the form of oxides; for this reason, aluminium is found on Earth primarily in rocks in the crust, where it is the third most abundant element after oxygen and silicon, rather than in the mantle, and virtually never as the free metal.

  

                  half-percy                                   Two-percy                                 single-percy                                       

 

    3section containe                     2 section containe                     Three-percy

                                    plate dishes                  Bowl Stewed dish                       stewed-dish             

                                                                        foil 30 cm and 20cm one killo gram

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