Cut Penny with Zinc Core

Cut Penny with Zinc Core

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Credit: Photo Researchers/SCIENCE PHOTO LIBRARY


Caption: U.S. One cent piece or penny cut in half to show that it is made of zinc (Zn) plated with copper (Cu). In 1982 the US Mint switched from making pennies out of solid brass (95% copper, 5% Zinc) to copper-plated zinc, as the price of the copper in a penny had risen well above one cent. This is a Union Shield cent, minted from 2010 to the present.

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Keywords: cent, cent composition, chemical, chemistry, coin, coin composition, coinage, copper plated, core, cu, education, educational, metal, money, non-copper penny, numismatics, pennies, penny, penny composition, post 1982, union shield cent, us currency, zinc, zn

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