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|sodium||Highly reactive in water.|| |
Highly reactive in acid.
|magnesium||No reaction in water at room temperature.|| |
Reacts rapidly in acid.
|aluminum||No reaction in water at room temperature.|| |
|iron||No reaction in water.|| |
Notice the metals' locations in the periodic table. The most reactive metals have the greatest tendency to lose electrons to form positively charged ions. Metals, therefore, become more reactive as they are located further to the left on the periodic table. Based on the activities of the metals, the four metals can be separated into three different categories: