Introduction
Introduction
 Copper has been used
by human beings for at least 7,000 years. The island of
Cyprus in the eastern Mediterranean was a major source of
copper for the ancient world. Our word copper came from
cuprum, the Roman name for Cyprian metal. Copper's symbol
on the Periodic Chart of the Elements is Cu, an
abbreviation of cuprum. Its atomic number is 29, and its
atomic weight is 63.546. |
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