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K Ba Ca Na Mg Al Mn Zn Cr Fe Co Ni Sn Pb H2 Cu Ag Hg Pt Au
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The more metallic an element, the more readily it becomes positively charged, i.e. the more easily it is oxidized. The Activity Series rates metals on the basis of their ease of oxidation - the most easily oxidized (the most active) at the top (see column on the left) Note how the very reactive alkali and alkaline earth metals are at the top of the series. On the other hand the metals used in coinage , the ones that resist corrosion (i.e. oxidation) the best are at the bottom. |
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