A silver halide is a compound of silver with a halogen, commonly represented as AgX for a monovalent halide. Silver bromide, silver chloride, and silver iodide are important examples.
Several silver halides are photosensitive. Light-generated charge can initiate formation of tiny silver-rich centres in a photographic grain, and chemical development amplifies the latent change into a visible image. This connects a microscopic photochemical event with macroscopic image formation.
A water-soluble silver–fluoride compound. Its solubility explains why ordinary precipitation of insoluble silver halides is not an equivalent fluoride test.
Silver bromide is , a photosensitive silver halide used in photographic emulsions. The behaviour depends on the crystal grain and its defects as well as on the chemical formula.
Exposure creates a latent image that can be amplified during chemical development. Unexposed silver bromide can then be removed through complex formation with thiosulfate, illustrating how photochemistry and coordination chemistry cooperate in one imaging process.
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