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<p>[QUOTE=&quot;Kentucky, post: 2895533, member: 33176&quot;]Ok, there are elements, compounds and mixtures.&nbsp; Metals are either elements or alloys.&nbsp; Alloys are mixtures of metals.&nbsp; Metals are composed of atoms, not molecules.&nbsp; The surface of your coin might have the appearance it does because the metal of the coin has formed a compound with other elements in the environment.&nbsp; In order to do anything, you have to remove the compound, and this will remove atoms of the metal element, and the results will be uncertain.&nbsp; Just ask yourself, &quot;Do I feel lucky?&quot; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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