Chemistry-Week 3-Element of the Week-Copper!
COPPER Atomic Symbol: CU Atomic Number: 29 Atomic Weight: 63.55 Melting points: 1084.6 degrees Celsius Believed to be found and mined on the island of Cyprus, copper has been mined for over 5,000 years. Second to silver in electric conductivity, copper is malleable and a good conductor of heat and electricity. It has a reddish metallic luster which makes it attractive to use for jewelry making, coins, and decorative art projects. Because of its ability to hold up so well, it is also used for plumbing. Other elements that are in the same grouping as copper include: gold, silver, lead, and maldonite. If you have ever witnessed a greenish hue forming over copper, this is a natural reaction that protects the copper from further damage. This substance is called patina. Since copper is so widely used, it is found in the air, ground, and water especially around industrial dumping grounds. Some people can develop flu-like symptoms known as metal fever if they are exposed to too much co...