what is carbon d
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- Carbon definition, Chemistry. a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal.
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What is Muscle Tone? Children with high muscle tone will benefit greatly from physical and occupational therapy to stretch affected muscles and strengthen opposing muscles which then improves overall functioning. Compensation strategies to work with an affected limb can also be taught as the child ages.
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- Learn more about carbon uses, the carbon atom, carbon properties, hydrocarbons, carbon structure, carbon fiber, carbon monoxide, your carbon footprint and other amazing carbon facts. Carbon is a chemical element with the symbol C and atomic number 6.
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Carbon: the essentials Carbon is key to life and by definition is present in all organic compounds. The study of life is known as biological chemistry or biochemistry. Ethene gas (C 2 H 4) helps to ripen tomatoes. Carbon is found free in nature in three allotropic forms: amorphous, graphite, and diamond.
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Carbon tetrachloride Carbon Tetrachloride is a clear, colorless, volatile and very stable chlorinated hydrocarbon. Carbon Tetrachloride is used as a solvent for oils and fats, as a refrigerant and as a dry-cleaning agent. Inhalation of its vapors can depress central nervous system activity and cause degeneration of the liver and kidneys.
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Carbon tetrachloride CARBON TETRACHLORIDE is a solvent for oils, fats, lacquers, varnishes, rubber waxes, and resins, and a starting material in the manufacturing of organic compounds. Poisoning by inhalation, ingestion or skin absorption is possible and may be fatal. Carbon Tetrachloride is a clear, colorless, volatile and very stable chlorinated hydrocarbon. Carbon Tetrachloride is used as a solvent for oils and fats, as a refrigerant and as a dry-cleaning agent. Inhalation of its vapors can depress central nervous system activity and cause degeneration of the liver and kidneys.
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Carbon monoxide Carbon monoxide (C O) is a colorless, odorless, and tasteless gas that is slightly less dense than air. It is toxic to humans when encountered in concentrations above about 35 ppm, although it is also produced in normal animal metabolism in low quantities, and is thought to have some normal biological functions.arbon monoxide is colorless, odorless, and tasteless, but highly toxic. It combines with hemoglobin to produce carboxyhemoglobin, which usurps the space in hemoglobin that normally carries oxygen, but is ineffective for delivering oxygen to bodily tissues.
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- Carbon disulfide is naturally formed in the mudpots of volcanic solfataras. It serves as a source of hydrogen sulfide, which is an electron donor for certain organisms that oxidize it into sulphuric acid or related sulfur oxides. The hyperthermophilic Acidianus strain was found to convert CS 2 into H 2 S and CO 2.
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- Graphene (/ˈɡræf.iːn/) is an allotrope of carbon in the form of a two-dimensional, atomic-scale, hexagonal lattice in which one atom forms each vertex. It is the basic structural element of other allotropes, including graphite, charcoal, carbon nanotubes and fullerenes.
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CARBON Carbon is the sixth most common element in the universe and the fourth most common element in the solar system. It is the second most common element in the human body after oxygen. About 18 percent of a person's body weight is due to carbon. The black color of smoke is caused by unburned specks of carbon.
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- 1. 1  Chemistry. a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal. Symbol: C; atomic weight: 12.011; atomic number: 6; specific gravity: (of diamond) 3.51 at 20°C; (of graphite) 2.26 at 20°C.
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carbon Medical Definition of carbon. : a nonmetallic element found native (as in diamonds and graphite) or as a constituent of coal, petroleum, asphalt, limestone, and organic compounds or obtained artificially (as in activated charcoal)—symbol C; see element table.
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carbon Carbon generally forms four covalent bonds with other atoms in larger molecules. Atomic number 6; atomic weight 12.011; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See Periodic Table. carbonaceous adjective
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- Carbon (from Latin: carbo coal) is a chemical element with symbol C and atomic number 6. On the Periodic table, it is the first (row 2) of six elements in column (group) 14, which have in common the composition of their outer electron shell.n combination with oxygen in carbon dioxide, carbon is found in the Earth's atmosphere (approximately 810 gigatonnes of carbon) and dissolved in all water bodies (approximately 36,000 gigatonnes of carbon). Around 1,900 gigatonnes of carbon are present in the biosphere.
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Carbonâcarbon bond (October 2013). A carbon–carbon bond is a covalent bond between two carbon atoms. The most common form is the single bond: a bond composed of two electrons, one from each of the two atoms.
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D  (video game) D is a psychological horror interactive movie and adventure game developed by WARP and directed by Kenji Eno. It is the first entry in the D series and was first released for the 3DO in 1995, and later ported to the Sega Saturn, PlayStation, and MS-DOS. The story follows Laura Harris as she goes to investigate a hospital after learning her father went on a mass murdering spree and barricaded himself inside.
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10 Carbon Facts carbon is the basis for organic chemistry as it occurs in all living organisms carbon is a nonmetal that can bond with itself and many other chemical elements forming nearly ten million compounds elemental carbon can take the form of one of the hardest substances diamond or one of the softest graphite
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2,4-Dichlorophenoxyacetic acid 2,4-Dichlorophenoxyacetic acid (usually referred to by its abbreviation, 2,4-D) is a common systemic herbicide used in the control of broadleaf weeds. It is a synthetic auxin (plant hormone) and one of the most widely used herbicides in the world.,4-D is primarily used as a synthetic auxin analog, as an herbicide. It is sold in various formulations under a wide variety of brand names.
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CARBON Carbon is an extraordinary element. It occurs in more different forms than any other element in the periodic table. The periodic table is a chart that shows how chemical elements are related to each other. More than ten million compounds of carbon are known. No other element, except for hydrogen, occurs in even a fraction of that number of compounds. As an element, carbon occurs in a striking variety of forms. Coal, soot, and diamonds are all nearly pure forms of carbon. Carbon also occurs in a form, discovered only recently, known as fullerenes or buckyballs. Buckyball carbon holds the promise for opening a whole new field of chemistry (see accompanying sidebar).
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10 Carbon Facts carbon is a nonmetal that can bond with itself and many other chemical elements forming nearly ten million compounds elemental carbon can take the form of one of the hardest substances diamond or one of the softest graphite carbon is made in the interiors of stars though it was not produced in the big bang
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Carbon group The carbon group is a periodic table group consisting of carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl). In modern IUPAC notation, it is called Group 14. In the field of semiconductor physics, it is still universally called Group IV.
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Martin D. Kamen, 89; Scientist Who Discovered the Element Carbon-14 Typically, Kamen allowed most of the credit for the discovery to go to Ruben, who was killed not long afterward when he inhaled phosphene in a laboratory accident. Physicists soon discovered that carbon-14 is produced naturally when the atmosphere is bombarded by cosmic rays. Plants incorporate this radioactive isotope as they grow, so its concentration in their tissues is the same as its concentration in the atmosphere.
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Carbon Carbon (from Latin: carbo coal) is a chemical element with symbol C and atomic number 6. On the Periodic table, it is the first (row 2) of six elements in column (group) 14, which have in common the composition of their outer electron shell.arbon is the fourth most abundant chemical element in the universe by mass after hydrogen, helium, and oxygen. Carbon is abundant in the Sun, stars, comets, and in the atmospheres of most planets. Some meteorites contain microscopic diamonds that were formed when the solar system was still a protoplanetary disk.
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What is Carbon Fiber? Carbon fiber is a textile consisting mainly of carbon. It is produced by spinning various carbon-based polymers into fibers, treating them to remove most of the other substances, and weaving the resulting material into a fabric.
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What Is Carbon Tetrachloride? Carbon tetrachloride is a colorless organic compound with the chemical formula CCl4. The International Union of Pure and Applied Chemistry (IUPAC) name for this chemical is tetrachloromethane. Carbon tetrachloride is often used as an organic solvent, a fuel additive, a catalyst, a refrigerant or a metal de-greaser. Prolonged exposure to this chemical can be harmful to the liver, kidneys and central nervous system. At room temperature, carbon tetrachloride is a colorless liquid.
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Carbon Carbon is the 15th most abundant element in the Earth's crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen.It is present in all forms of carbon-based life, and in the human body carbon is the second most abundant element by mass (about 18.5%) after oxygen.n the Periodic table, it is the first (row 2) of six elements in column (group) 14, which have in common the composition of their outer electron shell. It is nonmetallic and tetravalent —making four electrons available to form covalent chemical bonds.