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  1. Copper | Uses, Properties, & Facts | Britannica

  2. Coppers Definition & Meaning - Merriam-Webster

  3. Copper - Element information, properties and uses | Periodic Table

  4. Copper - Wikipedia

  5. Copper: Definition, Composition, Types, Properties, and ... - Xometry

  6. Copper Facts: Chemical and Physical Properties - ThoughtCo

  7. Facts About Copper - Live Science

  8. Copper Facts - Science Notes and Projects

  9. Copper - Health Professional Fact Sheet - Office of Dietary …

  10. Copper (Cu) - Uses, Density of Copper, Element Data, Physical