Silver iodide is a chemical compound made up of silver and iodine, with the formula AgI. It appears as a yellowish solid and is known for its unique properties, including its ability to absorb moisture and its use in photography and cloud seeding. In photography, silver iodide is used in light-sensitive materials, helping to create images on film. In cloud seeding, it serves as a nucleating agent to encourage precipitation, making it valuable in weather modification efforts. Its stability and effectiveness in these applications make it an important compound in various scientific fields.