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Why is the outside surface of a penny made of copper and not zinc?

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Why did they copper and zinc to make the penny why not metal and copper?

The composition of the US penny was changed in the middle of 1982 from 95% copper / 5% zinc to 97.5% zinc / 2.5% copper. With the rising price of copper, the penny was costin (MORE)

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Are pennies made of mostly copper or zinc?

pennies are made of mostly zinc but have some copper in them    MoreThe composition of US cents was changed from bronze in mid-1982. The coins now have a zinc core plated (MORE)

18 Super Clever DIYs That Use PENNIES!

You'll LOVE these! They're SO easy they're BRILLIANT!Get the tutorial [here](http://www.ohsolovelyblog.com/2014/08/diy-penny-photo-frames.html)!I love this in the yard, it gi (MORE)

Zinc Linked To Depression

You have probably heard of zinc, a metal known as an "essential trace element," as an immune system enhancer for helping to treat colds and ear infections. But it has other h (MORE)

Are Penny Slots Right For You?

Penny slots are the most popular slot machines in the casinos. Slot players love the perceived low cost and the large selection of games. However, there are some major drawbac (MORE)

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How can you tell if your 1943 penny is copper or steel with zinc plating?

  Answer     If the coin has not been re-plated, the difference should be obvious to look at. The zinc-coated coins will be grayish in color rather than coppery (MORE)

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How do you tell the difference between a copper penny and a copper-plated zinc penny?

Well, there are two ways. You could scratch it or melt it over a  flame to check composition. Or, you could check the date.    The first US penny was minted in 1793 an (MORE)

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How and when did pennies start being made of zinc and copper instead of just copper?

It turns out that the solid copper U.S. cent was minted from 1793 to 1837. After that, it was "mostly" copper, and the other metals included in the alloy varied a bit from tim (MORE)