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coper    
n. 马贩子

马贩子


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  • Copper - Wikipedia
    Copper is a chemical element; it has symbol Cu (from Latin cuprum) and atomic number 29 It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity A freshly exposed surface of pure copper has a pinkish-orange color
  • Copper PRICE Today | Copper Spot Price Chart - Markets Insider
    Copper Price: Get all information on the Price of Copper including News, Charts and Realtime Quotes
  • Copper Price - Chart - Historical Data - News - TRADING ECONOMICS
    Copper - values, historical data, forecasts and news - updated on June of 2025
  • Price of Copper per Pound - KITCO
    Live Copper Charts and Copper Spot Price from International Copper Markets, Prices from New York, London, Hong Kong and Sydney provided by Kitco
  • Copper | Uses, Properties, Facts | Britannica
    Native copper is found at many locations as a primary mineral in basaltic lavas and also as reduced from copper compounds, such as sulfides, arsenides, chlorides, and carbonates (For mineralogical properties of copper, see the table of native elements )
  • Copper Mineral Properties, Uses and Occurrence - Geology Science
    Copper is a chemical element with the symbol Cu and atomic number 29 It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity Here are some of the key chemical properties of copper:
  • What is Copper?- Its Uses, Compounds Properties
    Copper is a chemical element with the atomic number 29 and is represented by the Cu symbol in the periodic chart Copper is a ductile and malleable metal with excellent thermal and electrical conductivity Copper is found naturally, although it is most abundant in minerals like chalcopyrite and bornite, distinguished by their reddish-gold color
  • Copper Facts, Symbol, Discovery, Properties, Uses - Chemistry Learner
    Copper (pronunciation KOP-er [2]), represented by the chemical symbol or formula Cu [1], is a soft, malleable and ductile element belonging to the family of transition metals [3, 4, 7] Naturally, occurring Cu is a mixture of 2 stable isotopes with mass numbers 63 and 65 [1, 3]
  • Copper Element | History, Uses, Facts, Physical Chemical Characteristics
    It is an excellent conductor of heat and electricity Copper resist corrosion and is widely used in making various alloys Copper has been known from prehistoric times and Neolithic humans used copper as stones as early as 8000 BCE Copper was the first metal that was smelted from ores in 5000 BC and later used in pottery in North Africa
  • What Is Copper? | Full Guide to Copper, Facts More - MONTKNOLL
    Known for its malleability and ductility, copper is a key component in numerous everyday items and advanced technologies Throughout history, copper has been revered for its beauty and versatility Ancient civilizations like the Egyptians and Romans utilized copper for jewelry, tools, and weapons





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