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Aluminium: graphic shows aluminium atoms arranged in closely packed hexagonal layers. First and fourth layers are in line with each other. This gives what is known as a face centred cubic pattern or cubic close packing. Aluminium is light and strong. Image is 500 pixels across, the originals are 4096 pixels across. |
ALL MOLECULAR GRAPHICS: metals: aluminium: Al atomic arrangement (crystal structure)
(above) aluminium #1 atoms arranged in a face centred cubic pattern
(above) aluminium #2 atoms arranged in a face centred cubic pattern |