tin
tin (symbol Sn) Metalloid element of group IV of the periodic table, known from ancient times. Its chief ore is cassiterite (an oxide). Soft, malleable and resistant to corrosion, tin is used as a protective coating for iron, steel, copper and other metals, and in such alloys as solder, pewter, bronze and type metal. Properties: at.no. 50; r.a.m. 118.69; r.d. 7.29; m.p. 232°C (449.6°F); b.p. 2270°C (4118°F); most common isotope Sn118 (24.03%).
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Periodic Table of the Elements Tin
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Periodic Table of the Elements Tin