Search results for "Chemical compound" - New World Encyclopedia
From New World Encyclopedia
- made by combining two or more different chemical substances (such as chemical ... * Chemical compound * Chemical element * Chemical substance ...5 KB (683 words) - 19:22, 9 November 2022
- are nonsuperimposable mirror images. A compound is said to be enantiomerically ... environment, enantiomers have identical chemical and physical properties ...6 KB (731 words) - 18:31, 13 February 2024
- == The chemical components of nucleosides == The nitrogen-containing ... lacks an oxygen atom present in ribose, the parent compound.) ...6 KB (865 words) - 10:10, 11 March 2023
- In chemistry, chemical synthesis is the purposeful execution of one ... A chemical synthesis begins by selection of compounds that are known ...10 KB (1,522 words) - 14:47, 5 December 2023
- A chemical reaction is a process that leads to the interconversion ... *Isomerisation, in which a chemical compound undergoes a structural ...12 KB (1,710 words) - 14:43, 5 December 2023
- A chemical element, often called simply element, is the class of atoms ... The elements and their periodic physical and chemical properties are ...10 KB (1,624 words) - 14:39, 5 December 2023
- pentose sugar ribose. Deoxyribose has the chemical formula ... A nucleotide is a chemical compound with three components: a nitrogen ...7 KB (1,045 words) - 05:24, 25 August 2020
- properties, and methods of syntheses of chemical compounds that are based ... synthesized the biologically significant compound urea by evaporating an aqueous ...8 KB (1,161 words) - 01:13, 18 November 2022
- Purine is a heterocyclic, aromatic, organic compound, consisting of ... compounds that are interconvertible by a chemical reaction). ...7 KB (928 words) - 23:49, 2 December 2022
- can be described as follows. An ionic compound is dissolved in a solvent ... electrical energy into hydrogen's chemical energy—the energy lost ...7 KB (1,039 words) - 04:29, 27 November 2020
- A hydrocarbon is any chemical compound that is constituted of just the elements carbon (C) and hydrogen (H). Each hydrocarbon molecule consists ...8 KB (1,193 words) - 13:34, 17 May 2021
- are responsible for the characteristic chemical reactions of those molecules ... They determine the characteristics and chemical reactivity of molecules ...13 KB (1,621 words) - 07:19, 15 April 2024
- Berkelium (chemical symbol Bk, atomic number 97) is a synthetic, radioactive ... time visible amounts of a pure berkelium compound were produced. ...7 KB (911 words) - 11:01, 28 September 2023
- Main article: Chemical compound A compound is a substance with a fixed ... * Chemical compound * Chemical element * Chemical engineering ...20 KB (2,886 words) - 14:48, 5 December 2023
- with a distinctive sweet tarry odor. Its chemical formula is C6H5OH and its ... The word phenol is also used to refer to any compound which contains ...8 KB (1,204 words) - 02:56, 24 November 2022
- of physics to calculate the speed of chemical reactions, and showed that ... dimensional arrangement of atoms in a chemical compound. ...10 KB (1,516 words) - 17:33, 9 March 2022
- A chemical equation is a symbolic representation of a chemical reaction ... The reactants and products are shown using their chemical formulas ...12 KB (1,989 words) - 14:40, 5 December 2023
- In 1993, Bakelite was designated an ACS National Historical Chemical ... Co., Condensite Corp. and Redmanol Chemical Products Company, an early ...6 KB (839 words) - 05:49, 26 August 2023
- Astatine (chemical symbol At, atomic number 85) is the rarest naturally ... According to experiments done with a mass spectrometer, the chemical ...6 KB (808 words) - 05:08, 18 August 2023
- (O=C) linked to two other carbon atoms or a chemical compound that contains this functional group. A ketone can be generally represented by the formula: ...9 KB (1,318 words) - 03:31, 6 October 2022
- insoluble in water and in most other chemical reagents. It has a Mohs ... quot; metal, it is not considered a toxic chemical by most governments because ...4 KB (639 words) - 08:06, 20 September 2023
- In chemistry, a silicate is a compound containing an anion in which ... have linked tetrahedra, and their general chemical formula is (SixO3x)2n-. ...9 KB (1,269 words) - 22:04, 29 January 2023
- tetraborate, is an important boron compound, a mineral, and a salt of ... as a fire retardant, an anti-fungal compound for fiberglass insulation ...10 KB (1,388 words) - 19:37, 20 November 2023
- In chemistry, isomers are molecules that share the same chemical formula ... This finding challenged the prevailing chemical understanding of the time ...14 KB (2,096 words) - 05:56, 11 March 2024
- (C=O) linked to a nitrogen atom (N), or a compound that contains this functional ... for the carbonyl-nitrogen compound and ['æmɑɪd] for the anion ...10 KB (1,423 words) - 06:58, 25 July 2023
- atmosphere have changed over time and the chemical processes that create and ... may tell us that more of a chemical compound exists than previously ...11 KB (1,481 words) - 06:25, 21 August 2023
- A covalent bond is a type of chemical bond characterized by the sharing ... of organic molecules. Moreover, numerous chemical reactions, in both living ...15 KB (2,401 words) - 06:13, 11 January 2024
- Dynamite is the first safely manageable chemical explosive stronger ... operated by AECI (African Explosives and Chemical Industries). The demand ...6 KB (937 words) - 01:17, 16 January 2023
- Protactinium (chemical symbol Pa, atomic number 91) is a member of ... * Chemical element * Inner transition metal * Metal * Periodic table ...9 KB (1,150 words) - 08:16, 2 December 2022
- Pyridine is a fundamentally important chemical compound with the formula C5H5N. It is a liquid with a distinctively putrid, fishy odor. Its molecules ...11 KB (1,458 words) - 03:38, 7 December 2022
- with additional terms involving the chemical potential and the number ... where \mu_i is the chemical potential for an i-type particle, and ...18 KB (2,941 words) - 18:57, 13 February 2024
- For a chemical reaction to take place, it requires a certain minimum ... A catalyst may react with one or more reactants to form a chemical ...12 KB (1,789 words) - 17:49, 30 November 2023
- human body from other compounds through chemical reactions and thus has to ... Threonine has the chemical formula CH3-CH(OH)-CH(NH2)-COOH, or more ...9 KB (1,271 words) - 23:04, 30 April 2023
- A bleach is a chemical that can remove or lighten the color of an ... Household bleach, also known as chlorine bleach, has the chemical ...7 KB (964 words) - 18:12, 31 October 2023
- Chloroethane or monochloroethane, commonly known by its old name ethyl chloride, is a chemical compound once widely used in producing tetra-ethyl ...7 KB (906 words) - 17:08, 10 December 2023
- Even as a child Baeyer was interested in chemical experiments and ... associated with his ingenious theories of chemical structure. Baeyer's ...9 KB (1,376 words) - 06:04, 15 June 2023
- Palladium (chemical symbol Pd, atomic number 46) is a rare, silver ... are unsure if this is a true chemical compound. Common oxidation states ...13 KB (1,749 words) - 06:25, 18 November 2022
- Hydrogen cyanide is a chemical compound with the formula HCN. It is a colorless, very poisonous, and highly volatile liquid that boils slightly ...12 KB (1,685 words) - 13:19, 4 February 2023
- Around this time, he discovered the compound phenylhydrazine, which he ... to a group of compounds that shared a chemical base. They could all be ...7 KB (1,041 words) - 23:02, 22 June 2023
- A nucleotide is a chemical compound with three components: a nitrogen-containing base, a pentose (five-carbon) sugar (relatively simple carbohydrates ...18 KB (2,589 words) - 10:10, 11 March 2023
- Phosgene is the chemical compound with the formula COCl2. This highly toxic gas gained infamy as a chemical weapon during World War I, but it ...10 KB (1,416 words) - 22:44, 28 March 2023
- Acetaldehyde, sometimes known as ethanal, is an organic chemical compound with the formula CH3CHO (or MeCHO). It is a flammable liquid with a ...10 KB (1,279 words) - 07:33, 14 June 2023
- In organic chemistry, an alkene, olefin, or olefine is an unsaturated chemical compound containing at least one carbon-to-carbon double bond ...13 KB (1,908 words) - 22:30, 4 January 2023
- Silane is a chemical compound with the chemical formula SiH4. It is the silicon analog of methane and, like methane, it is a gas at ordinary ...8 KB (1,184 words) - 22:02, 29 January 2023
- Ether is the general name for a class of organic chemical compounds ... == Chemical reactions == [[Image:Diethylether peroxide chemical structure ...15 KB (2,285 words) - 04:31, 22 March 2024
- The process of forming diazoniums compound is called diazotation, ... in an aqueous solution of the diazonium compound, then a solution of the coupler. ...7 KB (1,048 words) - 13:34, 15 July 2020
- and various co-enzymes. Ribose has the chemical formula ... atom and double-bonded to an oxygen atom (chemical formula O=CH-). ...7 KB (1,027 words) - 09:19, 10 August 2022
- "ground state"). Given that a chemical element may exist as various ... atomic weights, which are ubiquitous in chemical laboratories. ...13 KB (2,025 words) - 06:26, 21 August 2023
- Ruthenium (chemical symbol Ru, atomic number 44) is a rare, hard, ... are versatile catalysts for diverse chemical reactions. ...13 KB (1,814 words) - 18:24, 22 December 2022
- Chlorine (chemical symbol Cl, atomic number 17) is a nonmetal that ... waters. Common salt or table salt is the compound sodium chloride (NaCl). ...15 KB (2,040 words) - 17:07, 10 December 2023
- and physicist, who vastly expanded chemical knowledge by isolating and ... his laboratory while investigating a chemical compound of nitrogen and chlorine ...12 KB (1,863 words) - 20:56, 9 February 2024
- Bromine (chemical symbol Br, atomic number 35) is a nonmetal that ... As bromine is a halogen, its chemical properties are similar to those ...10 KB (1,346 words) - 04:33, 22 November 2023
- Californium (chemical symbol Cf, atomic number 98) is a chemical element ... used to produce element 118, the heaviest chemical element synthesized so far. ...11 KB (1,466 words) - 18:27, 25 November 2023
- Thulium (chemical symbol Tm, atomic number 69) is the least abundant ... * Chemical element * Inner transition metal * Metal * Periodic table ...9 KB (1,135 words) - 23:14, 30 April 2023
- *A chromatograph takes a chemical mixture carried by liquid or gas ... factor R'f, the run length of the compound divided by the run length ...17 KB (2,480 words) - 21:51, 10 December 2023
- Ammonium sulfate is an inorganic chemical compound with the chemical formula (NH4)2SO4. It contains 21 percent nitrogen in the form of ammonium ...6 KB (752 words) - 07:39, 25 July 2023
- Cerium (chemical symbol Ce, atomic number 58) is a silvery metallic ... is an oxidizing agent for quantitative chemical analyses, and cerium(III ...15 KB (2,039 words) - 23:59, 3 December 2023
- Curium (chemical symbol Cm, atomic number 96) is a radioactive, metallic ... it feasible to study the element's chemical properties. The isotope ...10 KB (1,354 words) - 06:46, 12 January 2024
- Ytterbium (chemical symbol Yb, atomic number 70) is a soft silvery ... . He suspected that ytterbia was a compound of a new element he called ...11 KB (1,375 words) - 21:33, 4 June 2023
- Surface science is the study of physical and chemical phenomena that ... on the Nobel Prize in Chemistry 2007: Chemical Processes on Solid Surfaces ...13 KB (1,826 words) - 23:53, 26 February 2023
- group by a single covalent bond. The chemical formula of the carboxyl ... Thus, in an aqueous solution, the undissociated acid exists in a chemical ...13 KB (1,872 words) - 19:11, 26 November 2023
- Cesium (also spelled caesium, chemical symbol Cs, atomic number 55 ... and most alkaline of the stable chemical elements. Aside from francium ...14 KB (1,931 words) - 00:09, 4 December 2023
- organic acid) and an alcohol (or phenol compound), although there are other ... * [http://goldbook.iupac.org/E02219.html IUPAC Compendium of Chemical ...11 KB (1,427 words) - 21:32, 20 March 2024
- simplest representative of the group of chemical compounds known as ketones ... == Chemical synthesis == Most of the worldwide industrial production ...10 KB (1,364 words) - 07:34, 14 June 2023
- Tellurium (chemical symbol Te, atomic number 52) is a relatively rare ... Tellurium compounds are the only chemical compounds of gold found ...14 KB (1,880 words) - 05:35, 27 February 2023
- when he demonstrated that urea, a chemical produced in the bodies of ... of animals and humans. It had the same chemical constitution as ammonium ...14 KB (2,077 words) - 10:37, 17 October 2022
- In chemistry, a base is thought of as a substance which can accept protons or any chemical compound that yields hydroxide ions (OH-) in solution ...21 KB (3,307 words) - 11:03, 20 September 2023
- Acetylene is an unsaturated organic compound because its four atoms are ... == Chemical properties == === Structure === The carbon-carbon triple ...14 KB (2,038 words) - 07:36, 14 June 2023
- of spectroscopy as a powerful method of chemical analysis. The bunsen burner ... of cacodyl, an arsenic-bearing compound. During this research, he ...8 KB (1,189 words) - 20:25, 11 August 2022
- as a colored substance that has a chemical affinity to the substrate ... * Azo compound * Food additive * Paint * Pigment * Stain ...13 KB (2,067 words) - 17:25, 12 February 2024
- Silicon (chemical element symbol Si, atomic number 14) is a member ... grasses. Also, silicic acid (a family of chemical compounds of silicon, hydrogen ...20 KB (2,980 words) - 22:04, 29 January 2023
- Chromium (chemical symbol Cr, atomic number 24) is a hard, shiny, ... " Though misidentified as a lead compound with selenium and iron components ...15 KB (2,106 words) - 21:52, 10 December 2023
- Nitrogen dioxide is a chemical compound with the formula NO2. It is one of the several nitrogen oxides. At ordinary temperatures and atmospheric ...7 KB (934 words) - 02:27, 16 November 2022
- * [http://burningissues.org/table2.htm Chemical composition of wood smoke] Category:Physical sciences Category:Environmental science ...7 KB (1,034 words) - 21:19, 30 January 2023
- Cobalt (chemical symbol Co, atomic number 27) is a hard, lustrous ... * Catalysts for the petroleum and chemical industries. * Electroplating ...13 KB (1,769 words) - 22:14, 7 January 2024
- Similarly, an organic compound with multiple amino groups is called ... * remember that chemical compounds are not proper nouns, so lower ...18 KB (2,577 words) - 07:02, 25 July 2023
- Cadmium (chemical symbol Cd, atomic number 48) is a relatively rare ... calamine, having been found in this zinc compound. For about 100 years, Germany ...16 KB (2,248 words) - 10:14, 25 November 2023
- was essential in the bonding of chemical elements. Berzelius suggested ... springs where he conducted a thorough chemical analysis of the spring water ...9 KB (1,392 words) - 21:46, 4 October 2022
- An aldehyde is an organic compound containing a terminal carbonyl ... the carbonyl group, yielding an addition compound where this carbon atom has ...11 KB (1,651 words) - 05:09, 17 June 2023
- Tungsten (formerly wolfram) is a chemical element with the symbol ... Tungsten carbide (WC or W2C) is a chemical compound containing tungsten ...17 KB (2,431 words) - 18:45, 2 May 2023
- Xenon (chemical symbol Xe, atomic number 54) is a colorless, odorless ... very inert, they are said to have a chemical valence of zero. Nonetheless ...13 KB (1,905 words) - 14:16, 20 May 2023
- Bismuth (chemical symbol Bi, atomic number 83) is a brittle, white ... * Bismuth(III) telluride (Bi2Te3): This compound is a semiconductor ...14 KB (1,891 words) - 17:59, 31 October 2023
- through ionic or covalent bonding. In chemical reactions they are neither ... that is responsible for the physical and chemical properties of the atom. ...13 KB (2,062 words) - 06:25, 21 August 2023
- Ferrites are a class of ferrimagnetic ceramic chemical compounds consisting ... such as that is low in oxygen. The chemical composition and especially ...7 KB (1,039 words) - 17:27, 26 March 2024
- Scandium (chemical symbol Sc, atomic number 21) is a soft, silvery ... or scandium trichloride (ScCl3): The pure compound is a white crystalline solid ...12 KB (1,615 words) - 17:06, 25 January 2023
- Aniline, phenylamine, or aminobenzene is an organic compound with the formula C6H5NH2. It is an organic chemical compound, specifically an aryl ...13 KB (1,817 words) - 06:09, 28 July 2023
- inorganic-organic polymers. Their general chemical formula can be written as ... dimethyl ketone (acetone) have analogous chemical formulas, therefore it was ...15 KB (2,090 words) - 22:06, 29 January 2023
- (chemical symbol Pr, atomic number 59) is a soft silvery metallic ... or praseodymium trichloride (PrCl3): This compound is a blue-green solid that ...12 KB (1,535 words) - 22:14, 30 November 2022
- toughness, curing rate, temperature, and chemical resistance. ... the adhesive hardens. Depending on the chemical composition of the adhesive ...13 KB (1,970 words) - 05:51, 15 June 2023
- concepts for an understanding of chemical bonding. The first modern ... considered within the context of the chemical compound they are in, not as ...16 KB (2,171 words) - 15:58, 13 February 2024
- Chloroform, also known as trichloromethane and methyl trichloride, is a chemical compound with the formula CHCl3. At room temperature, it is ...14 KB (1,907 words) - 17:08, 10 December 2023
- of the spectrum, which strikes a phosphor compound deposited on the chip; the ... Biological molecules can be tagged with a fluorescent chemical group ...15 KB (2,287 words) - 17:45, 28 March 2024
- is a mineral (inorganic) acid having the chemical formula H3PO4. Alternatively ... " which is the IUPAC name for this compound. The prefix ortho- usually ...23 KB (3,466 words) - 04:24, 24 November 2022
- Chloral hydrate is a colorless, solid chemical compound with the formula C2H3Cl3O2. It is soluble in both water and alcohol, readily forming ...12 KB (1,697 words) - 17:07, 10 December 2023
- Buffer solutions are used in industry for chemical manufacturing and ... pH, buffer solutions are very useful for chemical manufacturing and essential ...12 KB (1,728 words) - 18:37, 22 November 2023
- Urea is an organic compound of carbon, nitrogen, oxygen, and hydrogen. Its chemical formula may be written as CO(NH2)2, CON2H4, or CN2H4O. It ...16 KB (2,391 words) - 13:44, 3 May 2023
- Sodium (chemical symbol Na, atomic number 11) is a member of a group ... (NaK) is a heat-transfer medium and a chemical reducing agent. ...21 KB (3,204 words) - 21:54, 30 January 2023
- Fluorine (chemical symbol F, atomic number 9) is a nonmetal that belongs ... attacks the remaining materials of the compound. The derivation of elemental ...13 KB (1,855 words) - 17:47, 28 March 2024
- Lanthanum (chemical symbol La, atomic number 57) is a soft, silvery ... Although lanthanum belongs to a group of chemical elements called ...11 KB (1,398 words) - 22:23, 22 October 2022
- Vanadium (chemical symbol V, atomic number 23) is a rare, silver-gray ... the element has beautiful, multicolored chemical compounds. ...15 KB (2,022 words) - 14:18, 3 May 2023
