Silver iodide
Silver iodide is a chemical compound. Its chemical formula is AgI. It contains silver in its +1 oxidation state. It also contains iodide ions.
Properties
[change | change source]Silver iodide is a yellow solid. It does not dissolve in water. It turns dark when light is shined on it. The darkening is caused by a chemical reaction. The silver iodide turns into silver and iodine.
Preparation
[change | change source]It is made by reacting an iodide such as sodium iodide with silver nitrate.
Uses
[change | change source]Silver iodide is sprinkled in clouds to make rain. It can also be used in photographic film.
Safety
[change | change source]Silver iodide is toxic. It can stain skin. It is not as toxic as other silver compounds that dissolve in water. The iodide also is toxic.
Related pages
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