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Gold is one of the most prized metals in the world. It may have been the first metal used by humans and was valued for ornamentation and rituals. Virtually two thirds of the world's output of Gold comes from Africa, and about two thirds of the U.S. output of Gold comes from South Dakota. Gold has large been considered one of the most precious metals, and its value has been in use accustomed to as the standard for many currencies in history. Gold is dense, muffle, shiny and the most malleable and ductile substance known. Spotless gold has a bright yellow color traditionally considered engaging. Pure gold is too soft, and is usually mixed with other metal alloys (greyish-white, copper, nickel and zinc) to make it stronger and more long-lasting for jewelry. Gold has been called the most beautiful of all chemical elements. Its advantage has made it desirable for use in jewelry, coins, and artwork for thousands of years. Unselfish amounts of gold are still used in the manufacture of coins, medals, jewelry, and art. Gold also has a horde of uses in industry, medicine, and other applications.

Ingredient gold

Symbol : Au

Name : Gold

Atomic Number: 79

Atomic Impact: 196.966569

Physical properties
Gold is quite soft. It can commonly be scratched by a penny. Its melting point is 1,064.76°C (1,948.57°F) and its boiling burden is about 2,700°C (4,900°F). Its density is 19.3 grams per cubic centimeter.
Two other foremost properties are its reflectivity and lack of electrical stubbornness. Both heat and light reflect off gold very well. But an electric widely known passes through gold very easily.

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