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stannic
stannic a chemical compound containing tin in the +4 valence state.
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Periodic Table of the Elements: Tin
Periodic Table of the Elements: Tin
Periodic Table of the Elements: Tin
Atomic Number:
50
Atomic Symbol:
Sn
Tin
Atomic Weight:
118.69
Electron
Configuration:
2 ·&...
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tin
tin metallic chemical element; symbol Sn [Lat. stannum ]; at. no. 50; at. wt. 118.69; m.p. 231.9681°C; b.p. 2,270°C; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits allotropy ; above 13.2°C it is a lustrous, silver-white, highly crystalline metal with tetragonal struc...
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gunmetal
gunmetal a bronze , an alloy of copper, tin, and a small amount of zinc. Although originally used extensively for making guns (from which it received its name), it has been superseded by steel, and it is now chiefly employed in casting machine parts. The so-called 88-10-2 (copper-tin-zinc) alloy i...
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Mengzi
Mengzi or Meng-tzu , city, SE Yunnan prov., China, c.12 mi (20 km) E of Gejiu. It is the commercial hub of a district where tin and antimony are mined.
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Kuala Lumpur
Kuala Lumpur , city (1990 est. pop. 1,750,000), capital of Malaysia, S Malay Peninsula, at the confluence of the Klang and Gombak rivers, within the Federal Territory. Malaysia's chief inland city, Kuala Lumpur is the country's commercial and transportation hub. An industrial center in a tin-mining ...
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Elizabeth Taylor
Elizabeth Taylor 1932-, Anglo-American film actress, b. London. Regarded as one of the world's most beautiful women, Taylor went from child star to a series of ladylike roles to playing worldly, sometimes shrewish women. She won Academy Awards for her work in Butterfield 8 (1960) and Who's Afrai...
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Babbitt metal
Babbitt metal an antifriction metal first produced by Isaac Babbitt in 1839. In present-day usage the term is applied to a whole class of silver-white bearing metals, or "white metals." These alloys usually consist of relatively hard crystals embedded in a softer matrix, a structure important f...
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bronze
bronze in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses . Most are produced by melting the copper and adding the desired amounts of tin, zinc, and other substances. The properties of the alloy depend on the propor...
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amalgam
amalgam , alloy containing mercury . The alloy may be liquid or solid, depending on the proportion of mercury, although all naturally occurring amalgams, i.e., those of gold and silver, are solid. Amalgams are widely used. Silver, gold, and copper amalgams are used in dentistry, and tin amalgam i...
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