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Hi students. Today ill be telling you about the Sacagawea dollar coin made in 2000. The coin is a gold color also known as the "golden dollar".
The Sacagawea coin was designed by Glenna Goodacre with a picture of Sacagawea on it. To make a coin artists create sculptures that are encraved onto a large coin.
The coin is made up of Copper (Cu) with an atomic mass of 64 and an atomic of 29 , Zinc (Zn) with an atomic mass of 65 and an atomic number of 30 , Nickel (Ni) with an atomic mass of 59 and an atomic number of 28 and lastly manganese (Mn) with an atomic mass of 55 and number of 25. All being transition metals.
$0.0526863 is the total melt value for the 2000-2014 Sacagawea golden dollar on November 21,2017. Metals are extracted from the ore that they are in.
Now let me tell you about where these metals are found in nature. Copper in Chile , Zinc in Australia, Manganese in South Africa and Nickel in Russia .
A coins life expectancy is around 25-30 years. To recycle these coins you have to melt the metal down to make new coins which makes recycling an efficient , cost-effective way to provide change in the market place.
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