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Copper - Wikipedia
Copper | Uses, Properties, & Facts | Britannica
All About Copper - Xometry
Copper - Specifications, Properties, Classifications and Classes - AZoM.com
Copper: introduction to the chemical element - Explain that Stuff
Copper Facts: Chemical and Physical Properties - ThoughtCo
Copper - Element information, properties and uses | Periodic Table
What Is Copper? | Full Guide to Copper, Facts & More
Copper Mineral | Uses and Properties - Geology.com
Properties & Uses - Copper