Silver Iodide is a chemical compound made up of silver and iodine, represented by the formula AgI. It appears as a yellowish solid and is primarily used in cloud seeding to encourage rainfall. When dispersed into the atmosphere, it can help form ice crystals in clouds, which can lead to precipitation. In addition to its role in weather modification, Silver Iodide is also used in photography and as an antiseptic. Its unique properties make it valuable in various applications, including the production of photographic films and in some medical treatments due to its antibacterial effects.