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Burlingame

(Encyclopedia) Burlingame, city (2020 pop. 31,386), San Mateo co., W Calif., on San Francisco Bay; founded 1868, inc. 1908. Burlingame is mainly…

Wattenscheid

(Encyclopedia) WattenscheidWattenscheidvätˈənshītˌ [key], city, North Rhine–Westphalia, W Germany, an industrial center of the Ruhr district. Its manufactures include metal goods, electrical…

Bethel, city, United States

(Encyclopedia) Bethel, town (2020 pop. 20,358), Fairfield co., SW Conn.; inc. 1855. Manufactures include wire, textiles, fabricated-metal and tool-and-…

Santo André

(Encyclopedia) Santo AndréSanto Andrésänˈt&oobreve; ändrĕˈ [key], city (1996 pop. 625,294), São Paulo state, S Brazil, a suburb of São Paulo. The city houses the offices of many international…

Novato

(Encyclopedia) NovatoNovatonōväˈtō [key], residential city (1990 pop. 47,585), Marin co., W Calif., N of San Fransisco on San Pablo Bay; inc. 1960. In a farming and dairying area, it produces…

Barberton

(Encyclopedia) Barberton Barberton bärˈbərtən [key], city (2020 pop. 25,191), Summit co., NE Ohio, an industrial…

Roeselare

(Encyclopedia) RoeselareRoeselarer&oomacr;ˈsəlärə [key], Fr. Roulers, city (1991 pop. 532,872), West Flanders prov., W Belgium. It is an industrial center. Manufactures include textiles,…

complex ion

(Encyclopedia) complex ion, charged molecular aggregate (see ion), consisting of a metallic atom or ion to which is attached one or more electron-donating molecules. In some complex ions, such as…

zinc

(Encyclopedia) zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in…

Advanced-Level Science Projects: Chemistry

ChemistryAdvanced-Level Science ProjectsChemistryWhat's in a Color?Copper Magic Which Metal Corrodes the Fastest? Did you ever have a shiny new bike that over time got to look not so shiny and…