👉 Iodations are a type of chemical reaction that involves the formation of an ion, which is a negatively charged particle. The process typically involves the addition of an iodine atom (137 I) to a neutral substance or compound. The resulting compound has an additional positive charge and can then be used in various applications due to its ability to form a stable bond with other substances. For example, an iodized salt (e.g., NaI) is formed when sodium (Na+) is