what is a halogen(hallides)
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What is the difference between a halogen and a halide? A halogen is a representative element from group VII in the periodic table. More specifically, Fluorine, Chlorine, Bromine, Iodine, and Astatine. Astatine is a very unstable radionuclide so is not normally dealt with. A halide is a chemical compound of halogens bonded to more electro positive elements.
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How Are Elements Grouped? Halogens: The halogen elements are a subset of the nonmetals. They comprise Group 17 of the periodic table, from fluorine (F) through astatine (At). They are generally very chemically reactive and are present in the environment as compounds rather than as pure elements.
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- The halogens all form binary compounds with hydrogen, and these compounds are known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide (HAt). All of these except HF are strong chemical acids when dissolved in water.
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- These elements are called the halogens (from the Greek hals, salt, and gennan, to form or generate) because they are literally the salt formers. None of the halogens can be found in nature in their elemental form. They are invariably found as salts of the halide ions (F - , Cl - , Br - , and I -). Fluoride ions are found in minerals such as fluorite (CaF 2) and cryolite (Na 3 AlF 6).
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Which element is a halogen? Halogens are elements in the 17th group on the Periodic Table of Elements. The name comes from old french nomelclature of the greek roots halas (salt) and gen (the generate). … These are elements that produce a salt when bonded to a metal.
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Halons Halons are a family of chemicals similar to Chlorofluorocarbons (CFCs), but containing at least one atom of bromine. Like CFCs, Halons are very unreactive and stable, non-flammable and non-toxic. At room temperature, they are usually colourless gases or liquids which evaporate easily.
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Structure & Bonding The halogens (F, Cl, Br etc.) are one electron short of a valence shell octet, and are among the most reactive of the elements (they are colored red in this periodic table). In their chemical reactions halogen atoms achieve a valence shell octet by capturing or borrowing the eighth electron from another atom or molecule.
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Halo alkanes & Haloarenes Haloarenes:It is a compound in which one or more hydrogen atom to form bond with aromatic rings is replace by halide.Haloarenes in the organic chemistry is also called as aryl halide or halogenoarene.The halo alkane is distinguished with haloarene,as they had many difference in their properties and their preparation.
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- The second-to-last column of the periodic table of the elements belongs to the halogens, a class containing fluorine, chlorine, bromine and iodine. In their halide form, halogens create compounds with other ions.
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McLaughlin Chem Set The halogens are five non-metallic elements found in group 17 of the periodic table. All halogens have 7 electrons in their outer shells, giving them an oxidation number of -1. The members the halogen family go from gas->liquid->solid at room temperature as you descend the group.
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Halogen Light Bulbs Halogen lamps are filled a halogen gas such as iodine or bromine. This gas is heated up and bonds with the vaporizing tungsten molecules when a light bulb is turned on. The gas re-deposits the tungsten back onto the filament, improving the lifespan of the light and keeping the bulb clean and clear of tungsten.
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Halogen Elements and Properties The halogens are a group of elements on the periodic table. Here is a look at the location of these elements and their common properties: Location of the Halogens on the Periodic Table. The halogens are located in Group VIIA of the periodic table, and are a particular class of nonmetals. The halogen elements are fluorine, chlorine, bromine, iodine, astatine, and ununseptium. Properties. These reactive nonmetals have seven valence electrons. As a group, halogens exhibit highly variable physical properties.
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- Group 7, the Halogens. The halogens – some reactions Displacement reactions Halogen compounds Group 7, the Halogens The halogens – some reactions Displacement reactions Halogen compounds Group 17—The Halogen Group All the elements in Group 17 are nonmetals except for astatine, which is a radioactive metalloid.roup 7, the Halogens. The halogens – some reactions Displacement reactions Halogen compounds Group 7, the Halogens The halogens – some reactions Displacement reactions Halogen compounds Group 17—The Halogen Group All the elements in Group 17 are nonmetals except for astatine, which is a radioactive metalloid.
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Pseudohalogen  [show article only]hover over links in text for more info The halogens or halogen elements (/ˈhaelɵdʒɨn/) ˈhælɵdʒɨn are a group in the periodic table consisting of five chemically related: elements (Fluorine), f (Chlorine), cl (Bromine), br (Iodine), i and (Astatine). at
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Difference Between a Halogen & a Halide Image by Flickr.com, courtesy of Kevin Dooley. The second-to-last column of the periodic table of the elements belongs to the halogens, a class containing fluorine, chlorine, bromine and iodine. In their halide form, halogens create compounds with other ions.
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List of Halogens (Element Groups) These elements share some common properties that distinguish them from other elements on the periodic table. 1  They are highly reactive nonmetals. 2  Atoms of belonging to the halogen group have 7 electrons in their outermost (valence) shell. 3  Halogens are highly electronegative, with high electron affinities.
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Halogens on the Periodic Table: Properties, Reactivity & Uses Definition of Halogens. Vertical columns on the periodic table contain elements that exhibit similar properties. These columns are commonly referred to by chemists as groups or families.There are a total of 18 groups on the periodic table. The halogens are all elements that are found in group 17.The halogens include fluorine, chlorine, bromine, iodine, and astatine. All of these elements are considered to be reactive nonmetals.efinition of Halogens. Vertical columns on the periodic table contain elements that exhibit similar properties. These columns are commonly referred to by chemists as groups or families.
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Definitions &Translations Pseudohalogen Pseudohalogen molecules are inorganic molecules of the general forms Ps–Ps or Ps–X, where Ps is a pseudohalogen group such as cyanide, cyanate, thiocyanate and others, and X is a true halogen.
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Pseudohalogen  [show article only]hover over links in text for more info The halogens or halogen elements (/ˈhaelɵdʒɨn/) ˈhælɵdʒɨn are a group in the periodic table consisting of five chemically related: elements (Fluorine), f (Chlorine), cl (Bromine), br (Iodine), i and (Astatine). athe halogens or halogen elements (/ˈhaelɵdʒɨn/) ˈhælɵdʒɨn are a group in the periodic table consisting of five chemically related: elements (Fluorine), f (Chlorine), cl (Bromine), br (Iodine), i and (Astatine). at
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- 1 Halogenated refers to a chemical compound or mixture that contains halogen atoms. 2  Halide refers to the monoanionic (one negative charge) form of a halogen atom, specifically, fluoride (F -), chloride (Cl -), bromide (Br -) and iodide (I -).alogen. 1  Halogen refers to those elements in the seventeenth column of the periodic table, fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At):
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- Editors Contribution(0.00 / 0 votes)Rate this definition: 1  halogen. Halogen (noun) involves five elements such as fluorine, chlorine, bromine, iodine and astatine. 2  halogen. Is a group in the periodic table consisting of five chemically related elements with similar properties.
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Halogen Elements and Properties The halogen elements are fluorine, chlorine, bromine, iodine, astatine, and ununseptium. Properties. These reactive nonmetals have seven valence electrons. As a group, halogens exhibit highly variable physical properties.Halogens range from solid (I 2) to liquid (Br 2) to gaseous (F 2 and Cl 2) at room temperature. The chemical properties are more uniform.hese reactive nonmetals have seven valence electrons. As a group, halogens exhibit highly variable physical properties. Halogens range from solid (I 2) to liquid (Br 2) to gaseous (F 2 and Cl 2) at room temperature. The chemical properties are more uniform.
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Is Fluorine a Metal, Nonmetal or Metalloid? What is a halogenated compound? Quick Answer. A halogenated compound is a combination of one or more chemical elements that includes a halogen; halogens are a group of elements that include fluorine, astatine, chlorine, bromine and iodine. Halogens comprise the seventh column of the periodic table of the elements.
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- 1 Chlorine (Cl) is a halogen; it is a highly reactive element that readily gains an electron to fill its outermost shell. 2  Sodium and chlorine, two highly reactive elements, combine to form the stable compound sodium chloride (ordinary table salt).
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halon (Chemistry) any of a class of chemical compounds derived from hydrocarbons by replacing one or more hydrogen atoms by bromine atoms and other hydrogen atoms by other halogen atoms (chlorine, fluorine, or iodine). Halons are stable compounds that are used in fire extinguishers, although they may contribute to depletion of the ozone layer
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Alkyl Halide Reactions Discuss halogen compounds and their properties. Hydrogen halides are binary compounds of halogens with hydrogen. They are strong hydrohalic acids when dissolved in water, with the exception of HF.