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- Bromine abstract "Bromine (from Greek: βρῶμος, brómos, meaning "strong-smelling" or "stench") is a chemical element with symbol Br, and atomic number 35. It is a halogen. The element was isolated independently by two chemists, Carl Jacob Löwig and Antoine Jerome Balard, in 1825–1826. Elemental bromine is a fuming red-brown liquid at room temperature, corrosive and toxic, with properties between those of chlorine and iodine. Free bromine does not occur in nature, but occurs as colorless soluble crystalline mineral halide salts, analogous to table salt.Bromine is rarer than about three-quarters of elements in the Earth's crust. The high solubility of bromide ions has caused its accumulation in the oceans, and commercially the element is easily extracted from brine pools, mostly in the United States, Israel and China. About 556,000 tonnes were produced in 2007, an amount similar to the far more abundant element magnesium.At high temperatures, organobromine compounds readily convert to free bromine atoms, a process which has the effect of stopping free radical chemical chain reactions. This effect makes organobromine compounds useful as fire retardants; more than half the bromine produced industrially worldwide each year is put to this use. Unfortunately, the same property causes sunlight to convert volatile organobromine compounds to free bromine atoms in the atmosphere, and an unwanted side effect of this process is ozone depletion. As a result, many organobromide compounds that were formerly in common use—such as the pesticide, methyl bromide—have been abandoned. Bromine compounds are still used for purposes such as in well drilling fluids, in photographic film, and as an intermediate in the manufacture of organic chemicals.Bromine has been long believed to have no essential function in mammals, but recent research suggests that bromine is necessary for tissue development. In addition, bromine is used preferentially over chlorine by one antiparasitic enzyme in the human immune system. Organobromides are needed and produced enzymatically from bromide by some lower life forms in the sea, particularly algae, and the ash of seaweed was one source of bromine's discovery. As a pharmaceutical, the simple bromide ion, Br−, has inhibitory effects on the central nervous system, and bromide salts were once a major medical sedative, before being replaced by shorter-acting drugs. They retain niche uses as antiepileptics.".
- Bromine thumbnail Bromine_vial_in_acrylic_cube.jpg?width=300.
- Bromine wikiPageExternalLink www.bsef.com.
- Bromine wikiPageExternalLink npgd0064.html.
- Bromine wikiPageExternalLink 035.htm.
- Bromine wikiPageExternalLink element.asp.
- Bromine wikiPageExternalLink CIIE_bromine_48kbps_tcm18-119642.MP3.
- Bromine wikiPageExternalLink 140605140007.htm.
- Bromine wikiPageExternalLink index.s7.html.
- Bromine wikiPageID "3756".
- Bromine wikiPageLength "49145".
- Bromine wikiPageOutDegree "286".
- Bromine wikiPageRevisionID "683097614".
- Bromine wikiPageWikiLink 1,2-Dibromoethane.
- Bromine wikiPageWikiLink 1,2-dibromoethane.
- Bromine wikiPageWikiLink 5-Bromouracil.
- Bromine wikiPageWikiLink 5-bromouracil.
- Bromine wikiPageWikiLink Abundance_of_the_chemical_elements.
- Bromine wikiPageWikiLink Académie_des_Sciences.
- Bromine wikiPageWikiLink Acetic_acid.
- Bromine wikiPageWikiLink Acne.
- Bromine wikiPageWikiLink Acne_vulgaris.
- Bromine wikiPageWikiLink Activated_carbon.
- Bromine wikiPageWikiLink Addition_reaction.
- Bromine wikiPageWikiLink Alcohol.
- Bromine wikiPageWikiLink Algae.
- Bromine wikiPageWikiLink Aliphatic.
- Bromine wikiPageWikiLink Aliphatic_compound.
- Bromine wikiPageWikiLink Alkali_metal.
- Bromine wikiPageWikiLink Alkaline_earth_metal.
- Bromine wikiPageWikiLink Alkene.
- Bromine wikiPageWikiLink Alkenes.
- Bromine wikiPageWikiLink Aluminium.
- Bromine wikiPageWikiLink Aluminium_bromide.
- Bromine wikiPageWikiLink Anhydrous.
- Bromine wikiPageWikiLink Aniline.
- Bromine wikiPageWikiLink Anticonvulsant.
- Bromine wikiPageWikiLink Antiepileptic.
- Bromine wikiPageWikiLink Antoine_Jerome_Balard.
- Bromine wikiPageWikiLink Antoine_Jérôme_Balard.
- Bromine wikiPageWikiLink Asparagopsis_taxiformis.
- Bromine wikiPageWikiLink Atmosphere.
- Bromine wikiPageWikiLink Atomic_number.
- Bromine wikiPageWikiLink Bacteria.
- Bromine wikiPageWikiLink Bad_Kreuznach.
- Bromine wikiPageWikiLink Barbiturate.
- Bromine wikiPageWikiLink Beta_decay.
- Bromine wikiPageWikiLink Bleach.
- Bromine wikiPageWikiLink Bleach_(chemical).
- Bromine wikiPageWikiLink Bolinus_brandaris.
- Bromine wikiPageWikiLink Brine.
- Bromine wikiPageWikiLink Bromate.
- Bromine wikiPageWikiLink Bromide.
- Bromine wikiPageWikiLink Brominated_flame_retardant.
- Bromine wikiPageWikiLink Brominated_vegetable_oil.
- Bromine wikiPageWikiLink Bromism.
- Bromine wikiPageWikiLink Bromo-Seltzer.
- Bromine wikiPageWikiLink Bromoacetic_acid.
- Bromine wikiPageWikiLink Bromochlorodifluoromethane.
- Bromine wikiPageWikiLink Bromochloromethane.
- Bromine wikiPageWikiLink Bromoform.
- Bromine wikiPageWikiLink Bromomethane.
- Bromine wikiPageWikiLink Bromoperoxidase.
- Bromine wikiPageWikiLink Bromotrifluoromethane.
- Bromine wikiPageWikiLink Caesium.
- Bromine wikiPageWikiLink Carbon_disulfide.
- Bromine wikiPageWikiLink Carbon_tetrachloride.
- Bromine wikiPageWikiLink Carboxylic_acid.
- Bromine wikiPageWikiLink Carl_Jacob_Löwig.
- Bromine wikiPageWikiLink Category:Bromine.
- Bromine wikiPageWikiLink Category:Chemical_elements.
- Bromine wikiPageWikiLink Category:Diatomic_nonmetals.
- Bromine wikiPageWikiLink Category:Halogens.
- Bromine wikiPageWikiLink Category:Oxidizing_agents.
- Bromine wikiPageWikiLink Chain_reaction.
- Bromine wikiPageWikiLink Chemical_bond.
- Bromine wikiPageWikiLink Chemical_element.
- Bromine wikiPageWikiLink Chemical_warfare.
- Bromine wikiPageWikiLink Chemistry_World.
- Bromine wikiPageWikiLink Chloral_hydrate.
- Bromine wikiPageWikiLink Chlorine.
- Bromine wikiPageWikiLink Chloroform.
- Bromine wikiPageWikiLink Citrus.
- Bromine wikiPageWikiLink Columbia_County,_Arkansas.
- Bromine wikiPageWikiLink Comproportionation.
- Bromine wikiPageWikiLink Corrosive_substance.
- Bromine wikiPageWikiLink Crust_(geology).
- Bromine wikiPageWikiLink DNA.
- Bromine wikiPageWikiLink Daguerreotype.
- Bromine wikiPageWikiLink Dead_Sea.
- Bromine wikiPageWikiLink Decabromodiphenyl_ether.
- Bromine wikiPageWikiLink Diatomic_molecule.
- Bromine wikiPageWikiLink Diethyl_ether.
- Bromine wikiPageWikiLink Disinfectant.
- Bromine wikiPageWikiLink Disinfectants.
- Bromine wikiPageWikiLink Disproportionation.
- Bromine wikiPageWikiLink Drilling_fluid.
- Bromine wikiPageWikiLink Dye.
- Bromine wikiPageWikiLink Earth.
- Bromine wikiPageWikiLink Electron_capture.