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copper, chemical element
(Encyclopedia) copper, metallic chemical element; symbol Cu [Lat. cuprum=copper]; at. no. 29; at. wt. 63.546; m.p. 1,083.4℃; b.p. 2,567℃; sp. gr. 8.96 at 20℃; valence +1 or +2. Copper and some of its…Cs, chemical symbol
(Encyclopedia) Cs, symbol for the element cesium.CS, chemical compound
(Encyclopedia) CS, chemical compound (orthochlorobenzalmalonitrile) used in riot control and, by the military, as a harassing agent. The compound is dispersed as an aerosol or as a finely divided…Cn, chemical symbol
(Encyclopedia) Cn, symbol for the element copernicium.cobalt, chemical element
(Encyclopedia) cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495℃; b.p. about 2,870℃; sp. gr. 8.9 at 20℃; valence +2 or +3. Cobalt is a silver-white, lustrous,…Ga, chemical symbol
(Encyclopedia) Ga, symbol for the element gallium.Fm, chemical symbol
(Encyclopedia) Fm, symbol for the element fermium.Cd, chemical symbol
(Encyclopedia) Cd, symbol for the element cadmium.sulphur, chemical element
(Encyclopedia) sulphur: see sulfur.International Union of Pure and Applied Chemistry
(Encyclopedia) International Union of Pure and Applied Chemistry (IUPAC), an international organization est. 1919 to advance the chemical sciences and contribute to the application of chemistry to…Trending
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