How to use fluorine in a sentence

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Sentence Examples The elements hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine consist of diatomic molecules. A second plasma then decomposes the fluoropolymer releasing reactive fluorine atoms which then eat into the silicon. Dry chlorine, iodine, bromine and fluorine cause little or no corrosion of magnesium at room or slightly elevated temperature. The name fluorine comes from the mineral fluorspar, or calcium fluoride, in which it was found. Fluids, immiscible droplets of metal sulphides, and elements like boron and fluorine are concentrated in the remaining melt. The ozone depleting compounds contain combinations of the elements chlorine, fluorine, bromine, carbon and hydrogen. Fortunately, few people are likely to encounter elementary fluorine in their daily lives. Doping with elements such as fluorine or antimony enhances its electrical conductivity and in turn its infrared reflectance. A gas mixture of a gas discharge laser such as an excimer or molecular fluorine laser is stabilized. This is because fluorine generally reacts exothermically to form products with stable C-F bonds. The main chemical feature that distinguishes fluoroquinolones from the early quinolones is the presence of a fluorine at position six. This fraction of hydrogen recombines with fluorine and thus decreases the Faradaic current efficiency of the electrolyser. Workers at the facility were exposed to radiation as well as the chemicals uranium, plutonium and fluorine. The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine. Try substituting fluorine for hydrogen in some compounds and the consequences can be dramatic. If they contain only fluorine, chlorine and carbon they are called chlorofluorocarbons, or CFCs for short. Potassium also reacts readily with all acids and with many nonmetals, such as sulfur, fluorine, chlorine, phosphorus, and nitrogen. Once the active fluorine is chemically bound the resulting molecule is generally stable and unreactive. Previous attempts to lower the switching temperature have incorporated low levels of elements such as tungsten, molybdenum, niobium and fluorine. For instance, electronegativities in the halide sequence fluorine, chlorine, bromine, and iodine decrease from fluorine through iodine. Show More Sentences Along with carbon, they include elements such as hydrogen, oxygen, fluorine, chlorine, bromine, sulphur or nitrogen. May strongly react with hot alumunium, fluorine gas and 2,4,5-trinitrotoluene. The halides all contain halogen elements, such as chlorine and fluorine. A similar reaction occurs with bromine but not with iodine or fluorine. The ailments, sometimes fatal, are attributed to a lack of the trace mineral selenium in the soil or too much fluorine in drinking water. Paro gold, fluorine amino toothpaste, contributes to re mineralize the enamel, supporting a preventive action against the caries. Saint-Jean-de-Jeannes has one of the last opencast mines of fluorine. A white and gemstone-quality fluorine is extracted from the Moulinal mine. In short, fluorine dating is not now and probably never will be an absolute chronometer. Avoid contact with chlorine and oxygen difluoride, ethylene oxide, fluorine, hydrogen peroxide, hydrazine mononitrate, hydrazoic acid. The mineral waters vary considerably in temperature, mineralisation, radon, silicic acid and fluorine content, and are suitable for treatment of a wide range of diseases. Element 117 is a member of the halogen series, which is the group composed of fluorine, chlorine, bromine, iodine, and astatine. Polymerization of tetrafluoroethylene gives a carbon chain that bears only fluorine substituents. Perfluorinated substances are also intrinsically polar chemicals because fluorine, a highly electronegative element, imparts polarity. Several halogens including chlorine, fluorine and iodine, have important applications in everyday life. A compound of silver and one of the elements known as halogens: chlorine, bromine, iodine and fluorine. One of the gases the volcano threw up was fluorine, which fell quickly back to earth as hydrofluoric acid. They are extremely stable, and the bond between the fluorine and carbon is the strongest in organic chemistry. And instead of employing fluorine, it relies on a novel mixture of methyl-silane gas and hydrogen peroxide. This requirement refers to the content of fluoride instead of elemental fluorine. The Chansghu site is therefore becoming a leading platform in the fluorine industry. Show More Sentences Products based on hydrogen, carbon and fluorine that are used as CFC substitutes. The activation of surfaces by fluorine can significantly and durably improve the adhesion of paints on critical surfaces. However, poisonous gases such as sulphur dioxide and fluorine are released during some passive eruptions and can be life-threatening. It contains fluorine which makes it possible to reinforce enamel with your teeth and protects you from the decays. The water is clear, colourless, palatable, odourless, mildly mineralised, and contains hydro carbonates of sodium and small quantities of fluorine. Fewer loosely bonded fluorine atoms in the seasoning film results in fewer contaminants being incorporated into films deposited over substrates in subsequent processing steps. The substrate is exposed to a conditioning solution of a fluorine source, a non-aqueous solvent, a complementary acid, and a surface passivation agent. To structure silicon by etching with liquid chlorine, fluorine and hydrogen based precursors using femtosecond laser pulses. Coal-burning power plants release large amounts of fluorine into the atmosphere. During formation of a contact metamorphic aureole around a granitic intrusion, hydrothermal fluids carrying elements such as iron, boron, and fluorine pass from the granite into the wall rocks. In the free state, fluorine is a pale yellow diatomic gas. Ali Sadeqi, one of the Iranian researchers, explained that halogen bonds are very weak in fluorine and they do not usually occur. Early-forming apatite is so fluorine-rich that it vacuums all the fluorine out of the magma, followed by chlorine. Most attempts to produce low-dielectric insulators have relied on a form of CVD that spikes the insulating layer with small quantities of fluorine. If all the hydrogens in polyethylene were replaced with fluorine atoms, we would have another important plastic called polytetrafluoroethylene. In 1945 the addition of fluorine in drinking water began to be experimented in New York State, followed by Australia and some areas in UK, with the declared purpose of preventing dental caries in population. He researches industrial applications of fluorine chemistry. Fine-machined metal or fluorine rubber valve seat provides tight closure. Ehlert, The application of a soft x-ray spectrometer to study the oxygen and fluorine emission lines from oxides and fluorites, Adv. Maximum protection form caries for the permanent set of teeth it is feasible by assuming pills of fluorine from birth to the end of the middle school. Show More Sentences The process requires a source of fluorine gas or chlorine trifluoride. Silicates react with powerful oxidizing agents such as fluorine, boron trifluoride, chlorine trifluoride, manganese trifluoride, and oxygen difluoride. Aluminum is a naturally occurring element that is found ubiquitously in the environment as silicates, oxides and hydroxides in combination with other elements such as sodium and fluorine, and as complexes with organic matter. The relative insolubility of the latter forms a useful basis for the gravimetric determination of fluorine. Notably, caesium and fluorine have the lowest and highest electronegativities, respectively, among all the known elements. Hydrocarbons can also be burned with elemental fluorine, resulting in carbon tetrafluoride and hydrogen fluoride products. Hydrocarbons should be kept away from fluorine compounds due to the high probability of forming toxic hydrofluoric acid. Every permutation of fluorine, chlorine and hydrogen based on methane and ethane has been examined and most have been commercialized. Iron reacts with fluorine, chlorine, and bromine to give the corresponding ferric halides, ferric chloride being the most common. If the cyanides have been destroyed, spent potlinings are assigned to Part II entry AB120 because they contain Y32, inorganic fluorine compounds excluding calcium fluoride. After an analysis of elements constituting an aggregate from the pyramid of Khufu, he found was composed of natural limestone but also its coating sodium, silicium, aluminium, magnesium and fluorine deans. The seven materials are fluorine, lead, arsenic, sexivalent chrome, dichloromethane, nitrite nitrogen and boron, it said. However, semiconductor chip designers rely on the combination between argon and fluorine in an excimer laser to define the smallest feature sizes on the latest generation of microprocessor chips. Fluorocarbon polymer, also called fluoropolymer or fluorinated polymer, any of a number of organic polymers whose large, multiple-unit molecules consist of a chain of carbon atoms to which fluorine atoms are appended. Method for preparing fluorinated casein micelles, wherein at least 100 ppm of a soluble fluorine salt is added to a solution containing the micellar casein and the fluorinated micellar casein is isolated. He nursed his congregation through the famine that followed the eruption when three-quarters of Iceland's sheep died after ingesting the fluorine that poured out of the volcano. Among the halogens only fluorine reacts with elemental carbon. Fluorosis is an abnormal condition caused by excessive intake of fluorine, as from fluoridated drinking water, characterized chiefly by mottling of the teeth. The highly electronegative fluorine substituent stabilizes this intermediate much more than do the other halogens and causes it to be formed faster. Sulfur, chlorine, and fluorine gasses could have been released into the atmosphere from eruptions spewing out of large fissures, which is common in basalt flood formation. Show More Sentences Unlike copper, silver will not react with the halogens, with the exception of the notoriously reactive fluorine gas, with which it forms the difluoride. Copper and silver are also used when doing chemistry with fluorine. Another factor contributing to the beneficial effects of eggshell calcium could be due to the inherent presence of microminerals such as strontium, fluorine and selenium. They confirmed that the fluorine content in tea exceeds the standard for tap water in terms of density in about 70 percent of the 130 instances they analyzed. Fluorination of these heteroaromatic ring systems can produce profound changes in activity and is the reason that many drugs on the market today contain fluorine substituents. One unique difference, compared to their dimethylsiloxane counterparts, is the incorporation of a fluorine component attached to the polymer backbone. The granites are highly enriched in lithium, boron, caesium and uranium and moderately so in fluorine, gallium, germanium, rubidium, tin, tantalum, tungsten and thallium. Examples from Classical Literature With a solution of the gas in water, each bubble of fluorine produces an explosion and flame, as in case of hydriodic acid. Wet steam and hot solutions of fluorine, boron or sulphur compounds may have effected the decomposition. A few liquids, one of which is carbon tetrachloride, react only very slowly with fluorine at the ordinary temperature. Metallic calcium also burns in fluorine gas, forming the fused fluoride, and occasionally minute crystals of fluorspar. It belongs to the zeolite family, and is a hydrated silicate of lime and potash, containing also fluorine. Oxygen will combine with iron or lead or sodium, but cannot be made to combine with fluorine. From this it will be understood that the fluorine will be evolved when the stone is fused. Compounds of fluorine and oxygen, and of bromine and oxygen, have not yet been isolated. Had they pumped it full of fluorine, the result would not have been worse. Chemically the topaz consists of alumina, silica and fluorine. The action of fluorine on platinum has been studied with special care. In such a layer, fluorine does not present any absorption bands. It is ready to unite with every known substance, fluorine excepted. Find more words! 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What is the adjective for fluorine? What is the noun for fluorine? Use our Sentence Generator Nearby Words fluorination fluorimeter fluoride fluoridation fluoridated fluoridate fluorite fluoro fluorocarbon fluorochrome fluorography fluorometer 8-letter Words Starting With f fl flu fluo fluor fluori fluorin