what are halogenated chemicals
4b1699e5b4565a54f5d1e26bfc08c3c4
Pseudohalogen  [show article only]hover over links in text for more info The halogens or halogen elements (/ˈhælədʒən, ˈheɪ-, -loʊ-, -ˌdʒɛn/) are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The artificially created element 117 (ununseptium) may also be a halogen.
3718854068c60162221fd380a487e71b
Halogenated volatile organic compounds in chlorine-bleach-containing household products and implications for their use It was recently shown that substantial amounts of halogenated volatile organic compounds (VOCs) are formed in chlorine-bleach-containing household products as a result of reactions of sodium hypochlorite with organic product components.
2e9658d55746c0a12a76446d8501224b
Definitions &Translations Freebase(0.00 / 0 votes)Rate this definition: Halogen. The halogens or halogen elements are a group in the periodic table consisting of five chemically related elements, fluorine, chlorine, bromine, iodine, and astatine. The artificially created element 117 may also be a halogen. In the modern IUPAC nomenclature, this group is known as group 17. The group of halogens is the only periodic table group which contains elements in all three familiar states of matter at standard temperature and pressure.
a4ec7a94884dca6af84c7bbf0b9c1330
- Halogens are the name of a group of non-metal elements found on the Periodic Table, Group 7A (or 17). Halogens include fluorine, chlorine, bromine, iodine and astatine. Haloge … n lamps usually contain an inert (Noble) gas and a small amount of bromine or iodine surrounding the filament. It is a family of Salt Producing elements.
d69aa7ab5fe39b44ea365e8e58ca345b
- Halogen definition: any of the chemical elements fluorine , chlorine , bromine , iodine , and astatine . They... | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog
a93d290292c15301dc918e85b7136e9d
Cellular respiration This is also called the Krebs cycle or the tricarboxylic acid cycle. When oxygen is present, acetyl-CoA is produced from the pyruvate molecules created from glycolysis. When oxygen is present, the mitochondria will undergo aerobic respiration which leads to the Krebs cycle.However, if oxygen is not present, fermentation of the pyruvate molecule will occur.his is also called the Krebs cycle or the tricarboxylic acid cycle. When oxygen is present, acetyl-CoA is produced from the pyruvate molecules created from glycolysis. When oxygen is present, the mitochondria will undergo aerobic respiration which leads to the Krebs cycle.
09a63b40a1e7fa43ed849f4b1ad5d43d
- 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.
ed15ab3b5e35d3eca6b92b8d4214dec2
Halogenation Halogenation by reaction type. Several pathways exist for the halogenation of organic compounds, including free radical halogenation, ketone halogenation, electrophilic halogenation, and halogen addition reaction. The structure of the substrate is one factor that determines the pathway.
12e436fe6a40d63d004547901f59729b
- 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).
bb9663d81ada4aec9e6724927174caf8
- Group 7 - the halogens. The Group 7 elements are known as the halogens. They are reactive non-metals and are always found in compounds with other elements. Chlorine, bromine and iodine are all halogens.
479fea823616141a6a820278d379baca
- Halon is a liquefied, compressed gas that stops the spread of fire by chemically disrupting combustion. Halon 1211 (a liquid streaming agent) and Halon 1301 (a gaseous flooding agent) leave no residue and are remarkably safe for human exposure.
15674cba45aa99deea0524f5a30dbe7e
"Define: ""halogen"" and ""halide"".?" a halogen is any element from group 7. chlorine, fluorine and iodine are examples... when the form ions they become halides... e.g. sodium chloride, fluoride in toothpaste Meme · 8 years ago 1
6a15768282ffb6ebf77150f5de96ced1
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.
e1b40846d604e8b39dddc8fc30ff8a63
Pseudohalogen  [show article only]hover over links in text for more info Many synthetic organic compounds such as plastic polymers, and a few natural ones, contain halogen atoms; these are known as halogenated compounds or organic halides. Chlorine is by far the most abundant of the halogens in seawater, and the only one needed in relatively large amounts (as chloride ions) by humans.n the modern IUPAC nomenclature, this group is known as group 17. The name 'halogen' means 'salt-producing'. When halogens react with metals they produce a wide range of salts, including calcium fluoride, sodium chloride (common salt), silver bromide and potassium iodide.
7ea90224be7bf0a84775a1e9c5e0dfbe
Hydrocarbon Toxicity Halogenated hydrocarbons are a subgroup of aromatic hydrocarbons, in which one of the hydrogen molecules is substituted by a halogen group. The most important halogenated hydrocarbons include carbon tetrachloride, trichloroethylene, tetrachloroethylene, trichloroethane, chloroform, and methylene chloride.ydrocarbon pneumonitis results from a direct toxic affect by the hydrocarbon on the lung parenchyma. The type II pneumocytes are most affected, resulting in decreased surfactant production. This decrease in surfactant, results in alveolar collapse, ventilation-perfusion mismatch, and hypoxemia.
9d3ee05046337b525818fe5fc3cf193b
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.
92881dbc134ceef0259affc1f17b26ca
Alkane Reactions 2. Halogenation. Halogenation is the replacement of one or more hydrogen atoms in an organic compound by a halogen (fluorine, chlorine, bromine or iodine). Unlike the complex transformations of combustion, the halogenation of an alkane appears to be a simple substitution reaction in which a C-H
6c58cd1cb7f0fc57e3b19ab0ea75e833
- A Halide is a chemical compound of a halogen combined with an electropositive element, or in the case of lamps: a metal. A halogen is a monovalent element which readily forms negative ions. There are 5 halogens: fluorine, chlorine, bromine, iodine, and astatine. Halide 'salts' used in the MH lamp include:
d8372b131fc6a3d397204aba36af6b48
- About the Group. Group 17 is a family of elements known as the halogens. The word halogen means salt-former.. The halogens form salts when they react with a metal. Halogens exist in a variety of states at room temperature. Fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids.
a0b3e572677159e54536d40580a43169
- Bromine is the only liquid nonmetallic element. It is a member of the halogen group. It is a heavy, volatile, mobile, dangerous reddish-brown liquid.
cb8e61dc6e277cafaa8b57fbbd6900e8
Halogenated volatile organic compounds in chlorine-bleach-containing household products and implications for their use Concentrations of halogenated volatile organic compounds (VOCs) in several chlorine-bleach-containing household products (n = 42) were measured and the relationships between the halogenated VOCs and product ingredients were investigated.
101705383a790435223885f36053190d
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
45acb1c9a94d7a32da3def0235fcfa0f
- Background. In this case, various halogenoalkanes are treated with a solution of silver nitrate in a mixture of ethanol and water. Nothing else is added. After varying lengths of time precipitates appear as halide ions (produced from reactions of the halogenoalkanes) react with the silver ions present.ackground. In this case, various halogenoalkanes are treated with a solution of silver nitrate in a mixture of ethanol and water. Nothing else is added. After varying lengths of time precipitates appear as halide ions (produced from reactions of the halogenoalkanes) react with the silver ions present.
5fe11168219a539cfcc876fb2c0ba46a
What are alkali metals, transition metal ,halogens,and noble gases? The halogens are non-metals in Group 17, and they are very active in the opposite way from metals, they gain one electron in most chemical reactions, but lose electrons to oxygen and fluorine, which is the element that is most powerful at gaining electrons.
1fe8ae4e54b4aea50ec660c6fabc5003
Groups : About the Group Group 17 is a family of elements known as the halogens. The word halogen means salt-former. The halogens form salts when they react with a metal. Halogens exist in a variety of states at room temperature. Fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids.
02e4d700d4cf58de1f7d0937eed75699
Halide A halide is a binary phase, of which one part is a halogen atom and the other part is an element or radical that is less electronegative (or more electropositive) than the halogen, to make a fluoride, chloride, bromide, iodide, astatide, or theoretically tennesside compound.