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<p>[QUOTE=&quot;desertgem, post: 1762699, member: 15199&quot;]The most often case is a formation of brass on the bronze cent by the following chemistry experiment that is widely done in middle and high school chemistry classes.</p><p>As you read, you can also make silver cents.</p><p>&nbsp;</p><p>Welcome to the forum !</p><p>&nbsp;</p><p><a href="http://chemistry.about.com/od/chemistryhowtoguide/a/goldsilverpenny.htm" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://chemistry.about.com/od/chemistryhowtoguide/a/goldsilverpenny.htm" rel="nofollow">http://chemistry.about.com/od/chemistryhowtoguide/a/goldsilverpenny.htm</a>[/QUOTE]</p><p><br /></p>

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