Potassium compounds are chemical substances that contain the element potassium, which is represented by the symbol K on the periodic table. These compounds are commonly found in nature and play essential roles in various biological and chemical processes. Examples include potassium chloride, used in fertilizers, and potassium nitrate, often used in food preservation and as a fertilizer. In addition to their agricultural uses, potassium compounds are important in industrial applications. For instance, potassium hydroxide is utilized in manufacturing soaps and detergents, while potassium carbonate is used in glass production. Overall, potassium compounds are vital for both environmental and industrial functions.