Copper, also known as Cu, is one of the oldest elements. It's discovery dates back to prehistoric times in 9000BC. Signs of its uses were found in Iraq and North Africa. Copper has an atomic weight of 63.546 and its atomic number is 29. Its melting point is 1084.62 °C and 1984.32 °F while its boiling point is 2927 °C and 5301 °F. Copper's density is 8920 kg per cubic m..Copper is one of the most important metals, it is a reddish with a bright metallic lustre colored solid. The reason copper is so widely used is because it's flexible and manageable. ...view middle of the document...
Copper also strengthens blood vessels, bones, tendons, and nerves. Although copper is good for you, excess copper in foods such as seafood, organ meats, nuts, and green vegetables can cause vomiting, nausea, muscle pain, and stomachaches.Today, as well as in the past, people use copper on a daily basis. Copper is second to silver in it's conductivity of electricity and heat. It's used in outdoor power lines as well as wiring in house lamps. Along with being an attractive metal, copper is a very durable one. This is the reason that it is used for coins, eating utensils, and ornamental objects.A compound of copper is copper sulfate. Copper sulfate is a fungicide used to control bacterial and fungal diseases of fruit, vegetable, nut and field crops. Some of the diseases that are controlled by this fungicide include mildew, leaf spots, blights and apple scab. Copper sulfate is only moderately toxic upon acute oral exposure. There have been reports of human suicide resulting from the ingestion of gram quantities of this material. The lowest dose of copper sulfate that has been toxic when ingested by humans is 11 mg/kg . Ingestion of copper sulfate is often not toxic because vomiting is automatically triggered by its irritating effect on the gastrointestinal tract. Another copper compound is Copper I Chloride (CuCl). It is a white crystalline solid.