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Chemical Elements

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Atomic Number:50Atomic Mass:118.71Number of Protons/Electrons:50Number of Neutrons: 69

TINSymbol: Sn

HISTORYTin extraction and use can be dated to the beginnings of the Bronze Age around 3000 BC.Discoverer is unknown.

Physical DescriptionsColor: Silvery/WhitePhysical State: SolidMelting Point: 450FBoiling Point: 4,748F

Common UsesRolled into tinfoil- cover or wrap food.Used as a coating on the surface of other metals to prevent corrosion.Alloys of tin are important, such as soft solder, pewter, bronze and phosphor bronze.

Tin is never found as the free element. most important tin ore is cassiterite (tin oxide, SnO2). Most of the world's supply comes from Malaya, Bolivia, Indonesia, Zaire, Thailand, and Nigeria. Cornwall in England was famous for its tin mines.

Group: 14Period: 5

Electron Configuration:[Kr] 4d105s25p2

Valence Electrons:2, 8, 18, 18, 4


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