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Chemical compound composed of a halogen atom and some other element
ions are present in many ionic halide salts. Halide minerals contain halides. All these halide anions are colorless. Halides also form covalent bonds, examples
Halide
Topics referred to by the same term
Look up halide in Wiktionary, the free dictionary. A halide is a chemical compound containing a halogen atom. Halide may also refer to: Halide minerals
Halide_(disambiguation)
Type of lamp
metal-halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides (compounds
Metal-halide_lamp
Turkish novelist, teacher, and a nationalist and feminist intellectual (1884-1964)
Halide Edip Adıvar (Ottoman Turkish: خالده اديب [hɑːliˈde eˈdib], sometimes spelled Halidé Edib in English; 11 June 1884 – 9 January 1964) was a Turkish
Halide_Edib_Adıvar
Silver-based salt used in photographic film and traditional photographic paper
A silver halide (or silver salt) is one of the chemical compounds that can form between the element silver (Ag) and one of the halogens. In particular
Silver_halide
Aromatic compounds containing Halogen atom(s) in place of Hydrogen
In organic chemistry, an aryl halide (also known as a haloarene) is an aromatic compound in which one or more hydrogen atoms directly bonded to an aromatic
Aryl_halide
Compound of gold with a halogen
Gold halides are compounds of gold with the halogens. AuCl, AuBr, and AuI are all crystalline solids with a structure containing alternating linear chains:
Gold_halide
Index of chemical compounds with the same name
Lead halide refers to any of a group of chemical compounds in which lead is joined to an element from the halide group. Compounds within this group include:
Lead_halide
Class of chemical compounds
halides are compounds between metals and halogens. Some, such as sodium chloride are ionic, while others are covalently bonded. A few metal halides are
Metal_halides
Computer programming language designed for digital image processing
Free and open-source software portal Halide is a computer programming language designed for writing digital image processing code that takes advantage
Halide_(programming_language)
Crystal structure
Methylammonium tin halides are solid compounds with perovskite structure and a chemical formula of CH3NH3SnX3, where X = I, Br or Cl. They are promising
Methylammonium_tin_halide
Name list
Halide is a feminine Turkish given name. Notable people with the name include: Halide Edib Adıvar (1884–1964), Turkish novelist and feminist political
Halide_(name)
Group of chemical compounds
Methylammonium halides are organic halides with a formula of [CH3NH3]+X−, where X is F for methylammonium fluoride, Cl for methylammonium chloride, Br
Methylammonium_halide
Methyl halide transferase (EC 2.1.1.165, MCT, methyl chloride transferase, S-adenosyl-L-methionine:halide/bisulfide methyltransferase, AtHOL1, AtHOL2,
Methyl_halide_transferase
Oxoacid compound with an –OH group replaced by a halogen
An acyl halide (also known as an acid halide) is a chemical compound derived from an oxoacid by replacing a hydroxyl group (−OH) with a halide group (−X
Acyl_halide
Geminal halide hydrolysis is an organic reaction. The reactants are geminal dihalides with a water molecule or a hydroxide ion. The reaction yields ketones
Geminal_halide_hydrolysis
Calcium titanium oxide mineral
generality of the double perovskite concept across oxide and halide chemistries. Using the metal halide octahedral as a building block, perovskites are subcategorized
Perovskite
Minerals with a dominant fluoride, chloride, bromide, or iodide anion
Halide minerals are those minerals with a dominant halide anion (F−, Cl−, Br− and I−). Complex halide minerals may also have polyatomic anions. Examples
Halide_mineral
Chemical compound consisting of hydrogen bonded to a halogen element
In chemistry, hydrogen halides (hydrohalic acids when in the aqueous phase) are diatomic, inorganic compounds that function as Arrhenius acids. The formula
Hydrogen_halide
Class of chemical compounds
In organic chemistry, a vinyl halide is a compound with the formula CH2=CHX (X = halide). The term vinyl is often used to describe any alkenyl group.
Vinyl_halide
A ceramic metal-halide lamp (CMH), also generically known as a ceramic discharge metal-halide (CDM) lamp, is a type of metal-halide lamp that is 10–20%
Ceramic_metal-halide_lamp
Alternative to silicon-based photovoltaics
organic–inorganic lead or tin halide-based material as the light-harvesting active layer. Perovskite materials, such as methylammonium lead halides the all-inorganic
Perovskite_solar_cell
Class of elements
The thallium halides include monohalides TlX, where thallium has oxidation state +1, trihalides TlX3, where thallium generally has oxidation state +3
Thallium_halides
Chemical reaction which adds one or more halogen elements to a compound
reaction which introduces one or more halogens into a chemical compound. Halide-containing compounds are pervasive, making this type of transformation important
Halogenation
Turkish actress
Halide Pişkin (15 July 1902[1] – 1 November 1959) was a Turkish stage, radio and movie actress. She is considered as the first theatre actress of the Republican
Halide_Pişkin
Chemical reaction
The Wurtz–Fittig reaction is the chemical reaction of an aryl halide, alkyl halides, and sodium metal to give substituted aromatic compounds. Following
Wurtz–Fittig_reaction
Index of chemical compounds with the same name
Allyl halides are a class of compounds in organic chemistry whose members contain a halogen atom in the allylic position, i.e., bonded to a carbon atom
Allyl_halide
Soil or water measurement
Adsorbable organic halides (AOX) is a measure of the organic halogen load at a sampling site such as soil from a land fill, water, or sewage waste. The
Adsorbable_organic_halides
Class of chemical compounds
There are three sets of Indium halides, the trihalides, the monohalides, and several intermediate halides. In the monohalides the oxidation state of indium
Indium_halides
specifically those acting on halide bonds in carbon-halide compounds. The systematic name of this enzyme class is alkyl-halide halidohydrolase. Other names
Alkylhalidase
Molecule
cyanogen halide is a molecule consisting of cyanide and a halogen. Cyanogen halides are chemically classified as pseudohalogens. The cyanogen halides are a
Cyanogen_halide
Chemical reaction
trivalent phosphorus ester with an alkyl halide to form a pentavalent phosphorus species and another alkyl halide. The picture below shows the most common
Michaelis–Arbuzov_reaction
Class of chemical compounds
Sulfinyl halide have the general formula R−S(O)−X, where X is a halogen. They are intermediate in oxidation level between sulfenyl halides, R−S−X, and
Sulfinyl_halide
Chemical group made of an –S(=O)2 group bound to a halogen
In chemistry, a sulfonyl halide consists of a sulfonyl (>S(=O)2) group singly bonded to a halogen atom. They have the general formula RSO2X, where X is
Sulfonyl_halide
Group of chemical compounds derived from alkanes containing one or more halogens
The haloalkanes (also known as halogenoalkanes or alkyl halides) are alkanes containing one or more halogen substituents of hydrogen . They are a subset
Haloalkane
English-born American author
English-born American author, best known for her 2002 historical novel Halide’s Gift. Born Frances Wright in Brighton, England. She has a B.A. in English
Frances_Kazan
Topics referred to by the same term
The aluminium halides are: Aluminium bromide Aluminium chloride Aluminium fluoride Aluminium iodide Aluminium monobromide Aluminium monochloride Aluminium
Aluminium_halide
Organometallic compounds used in organic synthesis
are chemical compounds with the general formula RMgX(S)n, where X is a halide, R is an organic group (normally an alkyl or aryl), S is an ether, and n
Grignard_reagent
Visual storage media used by film cameras
gelatin emulsion containing microscopically small light-sensitive silver halide crystals, for the purpose of taking photographs. The sizes and other characteristics
Photographic_film
Chemical element with atomic number 47 (Ag)
specialised mirrors and window coatings, and antimicrobial materials. Silver halides are important in photographic film, photographic paper and photochromic
Silver
Invisible image produced by the exposure of a photosensitive material to light
early days of photography, the nature of the invisible change in the silver halide crystals of the film's emulsion coating was unknown, so the image was said
Latent_image
Chemical compounds containing phosphorus bound to a halogen
In chemistry, there are three series of binary phosphorus halides, containing phosphorus in the oxidation states +5, +3 and +2. All compounds have been
Phosphorus_halide
Class of chemical compounds
Methylammonium lead halides (MALHs) are solid compounds with perovskite structure and a chemical formula of [CH3NH3]+Pb2+(X−)3, where X = Cl, Br or I
Methylammonium_lead_halide
Group of chemical elements
the halogens have been observed to react with hydrogen to form hydrogen halides. For fluorine, chlorine, and bromine, this reaction is in the form of:
Halogen
Test for Halides involving heat
The Beilstein test is a simple qualitative chemical test for organic halides. It was developed by Friedrich Konrad Beilstein. A copper wire is cleaned
Beilstein_test
There are three sets of gallium halides, the trihalides where gallium has oxidation state +3, the intermediate halides containing gallium in oxidation
Gallium_halides
Polymeric solid with silicon backbone
Polysilicon halides are silicon-backbone polymeric solids. At room temperature, the polysilicon fluorides are colorless to yellow solids while the chlorides
Polysilicon_halide
Chemical(s) which convert a latent image on photographic film to a visible image
process, the developer achieves this conversion by reducing the silver halides, which are pale-colored, into silver metal, which is black when in the
Photographic_developer
Organic compounds made of alkyl/aryl groups bound to oxygen (R–O–R')
chloride cleaves ethers only slowly. Methyl ethers typically afford methyl halides: ROCH3 + HBr → CH3Br + ROH These reactions proceed via onium intermediates
Ether
Germanide halides are compound that include the germanide (Ge4−) anion and a halide such as chloride (Cl−), bromide (Br−) or iodide (I−). They include
Germanide_halide
Family of compounds consisting of an alkali metal bonded to a halogen
Alkali metal halides, or alkali halides, are the family of inorganic compounds with the chemical formula MX, where M is an alkali metal and X is a halogen
Alkali_metal_halide
Layer in photographic film
photography. Most commonly, in silver-gelatin photography, it consists of silver halide crystals dispersed in gelatin. The emulsion is usually coated onto a substrate
Photographic_emulsion
Photographic print made using a chromogenic process
A chromogenic print, also known as a C-print or C-type print, a silver halide print, or a dye coupler print, is a photographic print made from a color
Chromogenic_print
Tabular arrangement of the chemical elements
elements, which can be observed by comparing hydrides, oxides, sulfides, halides, and so on. Chemical properties are more difficult to describe quantitatively
Periodic_table
Lighting to aid plant growth
and metal halide (MH) HID lights, but fluorescents and LEDs are replacing metal halides due to their efficiency and economy. Metal halide lights are
Grow_light
Turkish writer
Halide Nusret Zorlutuna (1901 – 10 June 1984) was a Turkish poet and novelist. Zorlutuna was born in Istanbul, Ottoman Empire as the daughter of Mehmet
Halide_Nusret_Zorlutuna
Chemical reaction
metal–halogen exchange is a fundamental reaction that converts an organic halide into an organometallic product. The reaction commonly involves the use of
Metal–halogen_exchange
Index of articles associated with the same name
Europium halide is a compound of the rare earth metal europium and a halogen. The following compounds are known. Europium(II) fluoride Europium(III) fluoride
Europium_halide
Aromatic organochlorine compound
Benzyl chloride, or α-chlorotoluene, is an organic compound with the formula C6H5CH2Cl. This colorless liquid is a reactive organochlorine compound that
Benzyl_chloride
Class of enzymes
} glycolate + halide Thus, the two substrates of this enzyme are haloacetate and H2O, whereas its two products are glycolate and halide. For example,
Haloacetate_dehalogenase
Chemical process that transforms a latent image into a visible image
developer that reduces silver halide to silver metal, exposed silver halide is reduced faster than unexposed silver halide, which leaves a silver metal
Photographic_processing
Chemistry
exploiting the differential solubility of various halide salts, or by using a large excess of the desired halide. The classic Finkelstein reaction entails the
Finkelstein_reaction
Chemical reaction
salt by reaction with an alkyl halide. Similar reactions occur when tertiary phosphines are treated with alkyl halides. The reaction is the method of
Menshutkin_reaction
Chemical reaction which removes a hydrogen halide from a substrate
Traditionally, alkyl halides are substrates for dehydrohalogenations. The alkyl halide must be able to form an alkene, thus halides having no C–H bond on
Dehydrohalogenation
Chemical reaction
diorganylcuprate ( R 2 CuLi {\displaystyle {\ce {R_{2}CuLi}}} ) with an organic halide or pseudohalide ( R ′ − X {\displaystyle {\ce {R'-X}}} ) to form a new alkane
Corey–House_synthesis
A glycosyl halide is a chemical compound consisting of a glycosyl moiety with a halogen atom bonded to the anomeric carbon atom. They comprise the glycosyl
Glycosyl_halide
Light-sensitive paper used to make photographic prints
photographic papers consist of a light-sensitive emulsion, consisting of silver halide salts suspended in a colloidal material – usually gelatin-coated onto a
Photographic_paper
Polyatomic ions of the form N(–R)4 (charge +1)
treated with methyl chloride. The quaternization of alkyl amines by alkyl halides is widely documented. In older literature this is often called a Menshutkin
Quaternary_ammonium_cation
sensitivity center is an imperfection or other specific point in a silver halide crystal which traps electrons, causing photosensitivity. This can produce
Sensitivity_speck
bromomethane and iodomethane. Historical name for this group is methyl halides; it's still widely used. The compounds of this class are often described
Monohalomethane
Study of compounds with carbon to zinc bonds
Compounds which an electronegative or monoanionic ligand (X), such as a halide, is attached to the zinc center with another alkyl or aryl substituent (R)
Organozinc_chemistry
Group of chemical compounds
fluorine, chlorine, bromine and iodine. They include carbonyl halides, COX2, and oxalyl halides, C2X2O2, where X = F, Cl, Br or I. The halogen atoms X do
Carbon_oxohalide
the preparation of alkyl nitriles by reaction of the corresponding alkyl halide with a metal cyanide. A side product for this reaction is the formation
Kolbe_nitrile_synthesis
Compound derived from an acid
recalcitrant alkyl halide. Alternatively, salts of a coordinating metal, such as silver, may improve the reaction rate by easing halide elimination. Transesterification
Ester
Class of enzymes
peroxidases that are able to mediate the oxidation of halides by hydrogen peroxide. Both halides and hydrogen peroxide are widely available in the environment
Haloperoxidase
Chemical group (R–S–Cl)
thiohypochlorites, i.e. esters of thiohypochlorous acid. Typically, sulfenyl halides are stabilized by electronegative substituents. This trend is illustrated
Sulfenyl_chloride
Optical texture of processed photographic film
small particles of metallic silver, or dye clouds, developed from silver halide that have received enough photons. While film grain is a function of such
Film_grain
Chemical compound
known (along with other silver halides) for its unusual sensitivity to light. This property has allowed silver halides to become the basis of modern photographic
Silver_bromide
Chemical compound
halide with the formula of CH3NH3Br. It is the salt of methylammonium and bromide. It is a colorless, water-soluble solid. The methylammonium halides
Methylammonium_bromide
Chemical compound
Retrieved 13 July 2026. Clulow R, Lightfoot P (2018). "New sarcosine–metal halide complexes related to ferroelectric TSCC". CrystEngComm. 20 (28): 4012–4019
Magnesium_glycinate
substitution reaction in which the halide of a halide compound is exchanged for another halide. A common method is halide metathesis. An example is the conversion
Transhalogenation
Italian physicist and materials scientist
development of the EPW code distributed with Quantum ESPRESSO, and studies of halide perovskite semiconductors. He authored the textbook Materials Modelling
Feliciano_Giustino
Ionic compound (KF)
ion for applications in manufacturing and in chemistry. It is an alkali halide salt and occurs naturally as the rare mineral carobbiite. Solutions of KF
Potassium_fluoride
Cross-coupling reaction between boronic acid & an organohalide
shown below, where a carbon–carbon single bond is formed by coupling a halide (R1-X) with an organoboron species (R2-BY2) using a palladium catalyst and
Suzuki_reaction
Light source using an electric arc through mercury vapor
closely related lamp design called the metal halide lamp uses various compounds in the form of metal halides with the mercury. Sodium iodide and scandium
Mercury-vapor_lamp
Cross coupling reaction in organic chemistry
carbon–carbon bonds by the reaction of a Grignard reagent and an organic halide. The procedure uses transition metal catalysts, typically nickel or palladium
Kumada_coupling
Chemical compound
is a chemical compound with the chemical formula PF5. It is a phosphorus halide. It is a colourless, toxic gas that fumes in air. Phosphorus pentafluoride
Phosphorus_pentafluoride
Chemical reaction
between a copper(I) acetylide and an aryl halide in pyridine, forming a disubstituted alkyne and a copper(I) halide. The reaction was described in 1963 by
Castro–Stephens_coupling
Chemical reaction
that replaces an alkyl or aryl halide with a formyl group using a N,N-disubstituted formamide. For primary alkyl halides this produces the homologous aldehyde
Bouveault_aldehyde_synthesis
Octahedral clusters: Synthetic
5 a so-called edge-capped octahedral clusters are more common. Twelve halides are located along the edge of the octahedron and six are terminal. Examples
Octahedral_cluster
Chemical compound
Methylammonium iodide in an organic halide with a formula of CH3NH3I. It is an ammonium salt composed of methylamine and hydrogen iodide. The primary application
Methylammonium_iodide
Longevity of printed material
Print permanence refers to the longevity of printed material, especially photographs, and preservation issues. Over time, the optical density, color balance
Print_permanence
Chemical reaction
The Sommelet reaction is an organic reaction in which a benzyl halide is converted to an aldehyde by action of hexamine and water. It is named after the
Sommelet_reaction
Chemical used in metallurgy for cleaning or purifying molten metal
There are several possible activator groups for rosins: halide activators (organic halide salts, e.g. dimethylammonium chloride and diethylammonium
Flux_(metallurgy)
Organic compound containing a –C(=O)OH group
such as ketone as well as moderately reactive ester, olefin, nitrile, and halide moieties. The hydroxyl group on carboxylic acids may be replaced with a
Carboxylic_acid
Chemical compound
photographic film, silver nitrate is treated with halide salts of sodium or potassium to form insoluble silver halide in situ in photographic gelatin, which is
Silver_nitrate
Chemicals used in photographic processing of film
exposed silver halides are reduced to metallic silver by the developer, forming the image. Once development is complete, remaining silver halides are removed
Photographic_fixer
Part of large-scale ocean circulation
Thermohaline circulation (THC) is a part of the large-scale ocean circulation driven by global density gradients formed by surface heat and freshwater
Thermohaline_circulation
Mineral
Bernardino County, California, United States of America General Category Halide mineral Formula PbBiO2Cl IMA symbol Pe Strunz classification 3.DC.30 Crystal
Perite
Organic compounds with the structure R–S(=O)2–OH
RCH2CH2SO−3 Halides can also alkylate bisulfite directly: HSO−3 + RBr → RSO3H + Br− Many sulfonic acids are prepared by hydrolysis of sulfonyl halides and related
Sulfonic_acid
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