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<p>[QUOTE=&quot;Mark14, post: 1155435, member: 28548&quot;]i have to create 4 coins for my imaginary country for chemistry. they each have to be a diffrent composition of elements and alloys, and we have to say why we chose them and how much it would cost to make a coin. so far i have: </p><p><br /></p><p>Monopence- shape:round material : bronze ?</p><p><br /></p><p>Pentapence- shape: pentagon&nbsp; Material : Zinc</p><p><br /></p><p>Decapence shape: Decagon? not too sure.&nbsp; Material : CuNi</p><p><br /></p><p>1/4 Crown (25 pence) shape- round&nbsp; &nbsp; Material- Sterling Silver or stainless steel</p><p><br /></p><p>any suggestions on a compound to use? i have until may 13th but i want to get everything down so i can make this the best project my teacher has ever seen</p><p><br /></p><p>any suggestions would be appreciated</p><p>-Mark[/QUOTE]</p><p><br /></p>

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