The chemical compound used in table salt is sodium chloride, which has the chemical formula NaCl. Sodium chloride consists of one sodium ion (Na⁺) and one chloride ion (Cl⁻), forming a stable ionic compound. It is commonly used as a seasoning and preservative in food, enhancing flavor and preventing spoilage. Sodium chloride is naturally found in seawater and can be harvested through evaporation or mining. Besides its culinary uses, table salt plays a crucial role in various industrial processes and is essential for maintaining the body's electrolyte balance.