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While tin is technically considered a "common" metal instead of a precious metal like gold, tin is still rare. It may be the least available of all common metals. This means
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Tin foil is acutally made of aluminium. It is flattened by huge rollers into very thin metal sheets. Tin foil has a thickness of less than 0.2 mm and can even get as thin as 0.6 mm.
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Tin is usually alloyed (mixed with) other metals for coating sheets of iron or steel. Tin plate is used to make "tin cans", the cans holding vegetables in your cabinets.
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Tin is a chemical element with the symbol Sn and atomic number 50. Tin is also obtained chiefly from the minerl cassiterite, where it occurs as an oxide.
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