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1. Chemical chemical - Bromides: A "bromide" is a chemical in chemistry that consists of bromine and one or more other elements. The following are some salient points: Chemical Formula: Compounds containing bromine, typically with an oxidation state of -1, are known as bromides. Br- is the standard formula for a bromide. Applications: Medicine: Bromides were once utilized as anticonvulsants and sedatives, but because of their negative side effects, their use in medicine has drastically decreased. Photography: Traditional black-and-white film photography uses silver bromide, a light-sensitive chemical. Certain bromide compounds are employed in electronics and other materials as fire retardants. Chemical Synthesis: Organic synthesis also makes use of bromides. Historical Use: Bromides were widely used as sedatives and to treat ailments like epilepsy in the late 19th and early 20th centuries.However, because of their toxicity and adverse consequences, their use has decreased. 2. Bromides in Photography: Traditional black-and-white film photography uses silver bromide, a light-sensitive substance. Silver bromide changes chemically in response to light, producing an invisible latent image that can be developed into a visible image. 3. Historical Sedatives in Medicine: Bromides Bromides were once employed as anticonvulsants and sedatives. But as safer and more potent drugs have been developed, their use has decreased. Consequences: Extended usage of bromides may result in the neurological disorder known as bromism, which is marked by tremors, disorientation, and possibly psychosis. 4. Bromide Salts: Historically, potassium bromide (KBr) was employed as a sedative and an anticonvulsant. Because of its negative effects and the advancement of more effective drugs, its use in medicine has decreased. Similar to potassium bromide, sodium bromide (NaBr) was once employed for its sedative and anticonvulsant qualities. 5. Bromide toxicity: High quantities of bromides can cause toxicity when ingested or exposed to. Abdominal pain, nausea, vomiting, disorientation, and in more severe cases, seizures and coma are among the symptoms. In addition to providing supportive care, treatment may entail giving saline solutions to promote the elimination of bromide. 6. Effect on the Environment: Bromides have the potential to harm the environment, particularly if they leak into water supplies. In water treatment facilities, bromide ions can combine with disinfectants like chlorine to create brominated disinfection byproducts, some of which are harmful. Overall, although bromides were once used in photography and medicine, their use has decreased in favor of safer and more efficient substitutes.