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Gold has an atomic number of 79. It is one of many chemical elements. Lot's of people seek gold. It is a precious metal. One of the things gold is commonly used for is art.
Gold has an atomic number of 79. It is one of many chemical elements. Lot's of people seek gold. It is a precious metal. One of the things gold is commonly used for is art. You can find gold in the form of nuggets or grains within rocks. Sometimes gold is found in places inside of rocks called veins. Veins are spaces in a rock that contain things like crystals. Gold has distinct characteristics that make it what it is. It is soft, shapable, shiny, and dense. Because it is soft, gold is one of the most malleable metals known to man. This means it can be hammered down into thin sheets and used in a whole bunch of different ways. What is pure gold? Pure gold is just that. Gold. No additives or preservatives. It has a bright yellow luster and is considered very attractive. The best part about pure gold is its ability to keep its shine. It doesn't oxidize in air or water. Pure gold is too soft for day to day use. To get around this people added things to it to make it harder. The used base metals like copper to give it strength. Because of this there was a need to create a measure for the amount of pure gold in an item. The unit of measure became known as the carat (k). How much gold is there in the world? There was a study done in the year 2006. This study found that by the end of 2006 about 158,000 tons of gold had been pulled from the earth. That's a whole lot of gold. Gold has excellent qualities. Due to this excellence it is used in many modern industrial things. Dentist use gold for its ability to avoid corrosion and resist oxidation. Gold is also a great conductor of electricity and is used in modern electronics. Gold used to be used as money. This all changed with the introduction of paper money. Paper money was introduced because there is only a limited supply of gold in the world. With paper money, you can print as much as you want. Switzerland was the last country to back its money with gold until 1999. About the Author: Looking For Black Diamond Earrings? Find the best black diamond solitaire earrings at goldstudearrings.co.cc! |