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What are some of the properties of acids?[ 20/11/2014 ]
Some of the properties of acids are that they conduct electricity when they are dissolved in water, liberate hydrogen when they react with active metals and, when combined with a base, will produce a salt and a neutralized base. Acids also have a pH which i...
How was copper discovered?[ 20/11/2014 ]
The exact nature of copper's discovery is unknown, and historians do not know who first discovered it. People have used copper for a very long time, and along with gold, it was one of the first metals ever discovered and used by humans. Archaeologists suspe...
When was copper discovered?[ 20/11/2014 ]
Between 5,000 and 6,000 years ago, the early Mesopotamians extracted and worked with copper. By 3000 B.C. man was able to extract copper from ores. Copper was soft, but mixing it with other metals created alloys with greater strength, leading to the Bronze ...
Is copper a metal, nonmetal or metalloid?[ 20/11/2014 ]
Copper is a reddish metal with the chemical symbol of Cu. The word copper comes from the Latin “cuprum,” which means "metal from Cyprus." In ancient times, the island of Cyprus was a mining site for copper. Dating back to prehistoric t...
What do copper and sulfur make when they are heated up together?[ 20/11/2014 ]
Copper and sulfur make copper sulfide when they are combined. The copper must be in the form of a wire, and the sulfur must be in a hot gas form. Copper sulfide is created through hanging a piece of copper wire in a tube of boiling sulfur. The tube with the...
Why is copper important?[ 20/11/2014 ]
Copper is important because it plays a role in green energy, technology and the economy. Copper is used to help create hybrid vehicles, mobile phones and tablet computers. Children born in 2014 are likely to use 1,750 pounds of copper during their lifetime...
What are the chemical properties of copper?[ 20/11/2014 ]
Copper is a reddish colored metal that polishes to a bright shine, of which HowStuffWorks says, makes it one of the most useful metals, like iron. While it does not rust, exposure to moisture results in a green patina. Its uses range from jewelry making to ...
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