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Potassium is an essential dietary mineral. Regulation of potassium levels inside and outside of cells affect normal bodily functions. Potassium is a chemical element represented by the symbol K and atomic number 19. Elemental potassium is a silvery-white metal, oxidizes quickly in the air, and reacts with water (Shaposhnik, 2007). During reaction with water, hydrogen is emitted and the heat generated is sufficient to ignite the hydrogen and burns with a lilac flame (Woodford, 2002). Potassium and Lithium are the least dense known metals.