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atomic number of tin, symbol Sn, copper vessels, metallic element, plaster of paris

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Tin, symbol Sn, metallic element that has been used by people since ancient times. Tin is in group 14 (or IVa) of the periodic table. The atomic number of tin is 50.

Tin has been found in the tombs of ancient Egyptians and was exported to Europe in large quantities from Cornwall, England, during the Roman period. The ancient Egyptians considered tin and lead different forms of the same metal. Tin was the Anglo-Saxon name for the metal.


Tin is a widely sought metal and is used in hundreds of industrial processes throughout the world. In the form of tinplate, it is used as a protective coating for copper vessels, various metals used in the manufacture of tin cans, and similar articles. Tin is important in the production of the common alloys bronze (tin and copper), solder (tin and lead), and type metal (tin, lead, and antimony). It is also used as an alloy with titanium in the aerospace industry and as an ingredient in some insecticides. Stannic sulfide, known also as mosaic gold, is used in powdered form for bronzing articles made of plaster of paris or wood.

The United States imports more than one-fifth of the average annual world production of tin. Most of the world's tin is produced by Malaysia, Brazil, Indonesia, Thailand, Bolivia, and Australia.

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