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
- carbon of a hydrocarbon side chain. The chemical formula of the carboxyl ... Pyruvate is an important chemical compound in biochemistry. It is ...14 KB (1,901 words) - 15:37, 18 June 2015
- Germanium (chemical symbol Ge, atomic number 32) is a lustrous, hard ... * Germanium dioxide (or germanium oxide or germania, GeO2): This compound ...13 KB (1,672 words) - 09:43, 5 December 2022
- human body from other compounds through chemical reactions and thus has to ... Methionine's chemical formula is CH3-S-(CH2)2)-CH(NH2)-COOH, ...11 KB (1,600 words) - 16:26, 9 November 2022
- Ethyl acetate is an organic compound that is an ester derived from the combination of ethanol and acetic acid. Its chemical formula may be written ...8 KB (1,113 words) - 04:36, 22 March 2024
- Ethane is a chemical compound with the chemical formula C2H6. It is classified as an alkane, that is, an aliphatic hydrocarbon. It is the only ...16 KB (2,309 words) - 01:40, 19 March 2022
- certain types of deer. In addition, this chemical has been found in the Formosan ... is the sulfur-containing aromatic compound benzothiophene. Petroleum ...13 KB (1,879 words) - 01:21, 11 November 2022
- Chemical bond is the term used to describe the linkages between atoms ... Chemical bonding is categorized within five different classes of chemical ...25 KB (3,936 words) - 14:39, 5 December 2023
- metals (or transition elements) are chemical elements that lie in groups ... the degree of oxidation of an atom in a compound; it is the electrical charge ...17 KB (2,462 words) - 04:39, 5 November 2022
- Rhodium (chemical symbol Rh, atomic number 45) is a rare, silvery ... America. After performing a series of chemical reactions to extract platinum ...13 KB (1,685 words) - 20:04, 8 December 2022
- uracil is a heterocyclic aromatic organic compound. Heterocyclic compounds ... Uracil is a planar, unsaturated compound that has the ability to absorb ...14 KB (1,996 words) - 19:37, 12 November 2022
- Tin (chemical symbol Sn, atomic number 50) is a silvery, malleable ... printing process, and a niobium-tin compound is used in wires for superconducting ...16 KB (2,335 words) - 23:38, 30 April 2023
- Lutetium (chemical symbol Lu, atomic number 71) is a silvery white ... A strict correlation between periodic table blocks and chemical series ...11 KB (1,371 words) - 03:06, 5 November 2022
- Erbium (chemical symbol Er, atomic number 68) is a silvery metallic ... of all rare-earth metals and their chemical compounds. The principal ...11 KB (1,419 words) - 19:19, 13 February 2024
- clearly see the trends in physical and chemical properties of the elements ... The noble gases are the chemical elements in group 18 (formerly group ...30 KB (4,368 words) - 00:41, 24 November 2022
- Choline is a water-soluble organic compound that is classified as ... Choline is a quaternary saturated amine with the chemical formula ...15 KB (2,128 words) - 23:57, 13 January 2023
- :This article is about the chemical compound. {{Chembox new ... is the most common member of a class of chemical compounds known generically ...13 KB (1,801 words) - 14:33, 29 January 2024
- Osmium (chemical symbol Os, atomic number 76) is a hard, brittle, ... The compound osmium tetroxide is very toxic but has a number of important ...14 KB (1,905 words) - 04:43, 18 November 2022
- Boron (chemical symbol “B,” atomic number “5”) is a chemical ... however, that boron was recognized as a chemical element by Jöns Jakob Berzelius ...16 KB (2,239 words) - 19:45, 20 November 2023
- Borates are chemical compounds containing borate anions, that is, anions composed of boron and oxygen. There are various borate ions, the simplest ...10 KB (1,587 words) - 19:37, 20 November 2023
- to form salt and water, promotes certain chemical reactions (e.g. A chemical ... base will increase the acidity of a compound. This concept of acidity ...16 KB (2,510 words) - 07:38, 14 June 2023
- the inflorescence being in the form of a compound "umbel." The small ... feet) in its second year. The alternate compound leaves are bright green ...12 KB (1,763 words) - 08:53, 18 November 2022
- classify the elements according to their chemical properties, he noticed patterns ... made a formal presentation to the Russian Chemical Society, entitled The Dependence ...13 KB (1,999 words) - 16:30, 29 January 2024
- Redox (shorthand for reduction/oxidation reaction) describes all chemical ... electron acceptor. Oxidants are usually chemical substances with elements ...12 KB (1,809 words) - 02:49, 8 December 2022
- of electrons. This is the result of chemical dissociation. ... #039;s cells and interferes with their chemical functions. This can lead ...13 KB (1,858 words) - 08:06, 29 December 2021
- verification. Thus, although some of the chemical elements have been known ... is considered to be the first modern chemical textbook. It contained a ...15 KB (2,217 words) - 15:59, 25 January 2023
- Ethylene oxide (chemical formula C2H4O) is an important industrial ... This chemical is used mostly as an intermediate in the production ...12 KB (1,739 words) - 04:37, 22 March 2024
- state. Crystal polymorphs of the same compound exhibit different physical ... * performing a chemical reaction. === Applications === Artificial crystallization ...12 KB (1,748 words) - 06:32, 11 January 2024
- products. Ammonia, a significant compound of nitrogen, is useful for ... later as fertilizer, and later still as a chemical feedstock. ...22 KB (3,304 words) - 02:26, 16 November 2022
- When a cation forms a chemical bond ("ionic bond") with ... An ion is denoted by its chemical formula (showing the types and numbers ...17 KB (2,619 words) - 11:09, 6 March 2024
- including extractions, dry cleaning and chemical waste disposal. In polymer ... than this, it remains the dominant chemical-free technology for the ...14 KB (2,010 words) - 13:54, 28 April 2023
- Barium (chemical symbol Ba, atomic number 56) is a soft, silvery chemical ... fluorescent lamps, and the hydroxide, a chemical base, is used to clean up ...13 KB (1,855 words) - 08:07, 20 September 2023
- in livestock feed, as an intermediate in chemical synthetic processes, and ... In the chemical industry, formic acid was long considered a compound ...13 KB (1,811 words) - 06:35, 1 April 2024
- of ligands and metal ions. Originally, a chemical complex implied a reversible ... or mer. For example, in an octahedral compound with three of one ligand ...21 KB (3,125 words) - 00:21, 8 January 2024
- Arsenic (chemical symbol As, atomic number 33) is a notoriously poisonous ... chemist James Marsh perfected a sensitive chemical test (the "Marsh test ...21 KB (2,920 words) - 04:00, 15 August 2023
- An acid-base reaction is a chemical reaction that occurs between an ... based on his extensive works on the chemical composition of organic acids ...18 KB (2,642 words) - 07:40, 14 June 2023
- soda, is a caustic metallic base. Its chemical formula is NaOH. Forming ... == Chemical properties == Sodium hydroxide is completely ionic, containing ...19 KB (2,762 words) - 15:05, 27 April 2023
- of the sweet smell of the related compound benzene. It is an aromatic ... == Chemical properties== Toluene reacts as a normal aromatic hydrocarbon ...10 KB (1,406 words) - 03:55, 1 May 2023
- Polonium (chemical symbol Po, atomic number 84) is a rare, extremely ... by certain microbes or by the chemical compound methylcobalamin. ...11 KB (1,554 words) - 08:39, 24 November 2022
- Antimony (chemical symbol Sb, atomic number 51) is a metalloid with ... eventually to "antimonium." The chemical pioneer Jöns Jakob Berzelius ...17 KB (2,369 words) - 06:33, 31 July 2023
- A nucleotide is a chemical compound comprising three components: a ... nucleotide monomers connected by covalent chemical bonds. RNA molecules may ...21 KB (3,210 words) - 21:06, 16 April 2023
- Like hormones, pheromones are endogenous (internally produced) chemical ... when it comes to mating: the elephant compound is not precise enough for ...20 KB (3,009 words) - 02:59, 24 November 2022
- Propylene glycol, also known by the systematic name propane-1,2-diol, is an organic compound with the chemical formula C3H8O2. Under standard ...12 KB (1,732 words) - 00:24, 2 December 2022
- Drug, broadly defined, is a term used for any chemical substance that ... may have a positive connotation as a chemical compound used medically in humans ...18 KB (2,517 words) - 21:12, 30 January 2024
- The chemical compound formaldehyde (also known as methanal) is a gas with a pungent smell. It is the simplest aldehyde. Its chemical formula ...18 KB (2,445 words) - 06:34, 1 April 2024
- | Chemical formula | C6H5NO2 |- | Molecular mass | 123.11 g/mol ... repair. The designation vitamin B3, whose chemical formula is C5H4NCOOH (or ...11 KB (1,605 words) - 09:41, 11 March 2023
- incorporation into proteins, using the chemical blueprint for the protein ... A protein is a complex, high-molecular mass organic compound comprising ...13 KB (1,936 words) - 01:34, 2 May 2023
- A nonmetal is a chemical element with several properties that are opposite those of a metal. Based on their properties, the elements of the periodic ...6 KB (785 words) - 02:40, 16 November 2022
- Distillation is a method of separating chemical substances based on ... with the invention of numerous other chemical apparatus and processes ...29 KB (4,405 words) - 15:30, 29 January 2024
- Ethylene glycol (also called monoethylene glycol (MEG); 1,2-ethanediol; or ethane-1,2-diol (IUPAC name)) is a chemical compound with the formula ...16 KB (2,258 words) - 04:37, 22 March 2024
- Carbon (chemical symbol C; atomic number 6) is a remarkable chemical ... The chemical symbol for carbon is C, and its atomic number (the number ...21 KB (2,997 words) - 22:12, 25 November 2023
- :This article is concerned solely with chemical explosives. Other ... When a chemical compound is formed from its constituents, heat may ...41 KB (6,258 words) - 23:56, 24 March 2024
- that secrete mucus. Some produce a bromide compound that gives them a medicinal smell and might protect them from bacteria and predators. Acorn worms ...9 KB (1,371 words) - 06:14, 22 January 2024
- Crown ethers are heterocyclic chemical compounds that consist of a ring containing several ether groups. The most common crown ethers are oligomers ...6 KB (841 words) - 23:38, 5 May 2022
- Hafnium (chemical symbol Hf, atomic number 72) is a lustrous, silvery ... ductile and corrosion resistant, and its chemical properties closely parallel ...10 KB (1,277 words) - 16:40, 21 January 2024
- In writing down the reaction equation, in a way analogous to a chemical ... the same as proton or neutron capture. A compound nucleus may be formed, leading ...22 KB (3,405 words) - 00:39, 17 November 2022
- are known for their excellent adhesion, chemical and heat resistance, good ... epoxy resin industry, was sold to Shell Chemical, now Hexion Specialty Chemicals. ...16 KB (2,301 words) - 19:13, 13 February 2024
- Sapindaceae family, with large, pinnately compound evergreen leaves with five ... features large leaves that are pinnately compound, with five shiny leaflets ...15 KB (2,227 words) - 22:26, 2 December 2021
- Gallium (chemical symbol Ga, atomic number 31) is a rare, soft, silvery ... Gallium is most commonly used in the form of the compound gallium ...15 KB (2,122 words) - 04:06, 18 April 2024
- == Chemical composition and properties == [[Image:University of Queensland Pitch drop experiment-6-2.jpg|thumb|right|150px|The pitch drop experiment ...11 KB (1,560 words) - 23:49, 11 January 2023
- composition of the mixture. Also, when a chemical process produces two or ... of Science and Technology, Department of Chemical Engineering. Retrieved January ...29 KB (4,494 words) - 07:29, 23 August 2023
- Platinum (chemical symbol Pt, atomic number 78) is a silvery gray ... Platinum is a chemical element in the periodic table and is classified ...14 KB (2,002 words) - 08:01, 24 November 2022
- Calcium (chemical symbol Ca, atomic number 20) is the fifth most plentiful ... This compound is widely used as an extender in paints, a filler in ...18 KB (2,626 words) - 18:21, 25 November 2023
- as carrier molecules that transfer chemical groups. Coenzymes are sometimes ... low-molecular-weight, non-protein organic compound that is loosely attached ...22 KB (2,903 words) - 07:19, 6 June 2023
- Dimethyl sulfoxide (DMSO) is a chemical compound with the formula (CH3)2SO. This colorless liquid is an important polar aprotic solvent that ...12 KB (1,770 words) - 16:50, 22 July 2020
- Neurotransmitters are chemical compounds that relay information across ... conversion of electrical impulses to chemical transmitters, various enzyme ...16 KB (2,189 words) - 07:34, 14 June 2023
- Saccharin is a synthetic organic compound that tastes hundreds of ... saccharin was eagerly received as a new chemical that diabetics and dieters ...13 KB (1,943 words) - 00:18, 22 August 2022
- The solubility of a chemical substance is a physical property referring ... that can be dissolved in a solvent at chemical equilibrium. The resultant ...23 KB (3,483 words) - 01:08, 4 February 2023
- usually in the form of quartz. Given its chemical inertness and considerable ... dunes merge to form 'Y'-shaped compound dunes. Many are formed in ...14 KB (2,163 words) - 03:11, 23 December 2022
- not as a group need to have any specific chemical properties in common, beyond ... oils with more than 200 identified chemical substances (Dupler and Odle ...16 KB (2,270 words) - 12:06, 5 March 2021
- Carbon monoxide, with the chemical formula CO, is a colorless, odorless ... ==Principal chemical reactions== ===Industrial uses=== Carbon monoxide ...20 KB (2,871 words) - 19:08, 26 November 2023
- : This article is about the chemical element lithium. number=3 | symbol ... Lithium (chemical symbol Li, atomic number 3) is the lightest solid ...16 KB (2,302 words) - 04:29, 29 October 2022
- An alloy is the combination of metal with other chemical elements (metallic or nonmetallic), forming a solution or chemical compound that retains ...17 KB (2,388 words) - 08:10, 23 July 2023
- Photosynthesis is the conversion of the energy of sunlight into chemical ... In chemical terms, photosynthesis is an example of an oxidation-reduction ...27 KB (4,019 words) - 05:05, 24 November 2022
- profound influence on the development of chemical knowledge in the West, including ... * The concept of a chemical compound; the mineral cinnabar, for example ...16 KB (2,525 words) - 08:37, 13 March 2024
- Oxygen (chemical symbol O, atomic number 8) is the second most common ... other words, when it is involved in a chemical bond, it strongly attracts ...23 KB (3,469 words) - 06:02, 18 November 2022
- Potassium (chemical symbol K, atomic number 19) is a member of a group ... of potassium is an important industrial chemical, and the chloride, sulfate ...18 KB (2,538 words) - 05:52, 30 November 2022
- An enzyme is a biological catalyst that regulates the rate of a chemical ... Enzymes are essential to sustain life because most chemical reactions ...18 KB (2,741 words) - 19:04, 13 February 2024
- in small caps in published work). Certain chemical manipulations can be performed ... is levorotatory. Rather, it says that the compound's stereochemistry is ...24 KB (3,570 words) - 17:06, 10 December 2023
- Niobium or columbium (chemical symbol Nb, atomic number 41) is a rare ... *Niobium-tin (Nb3Sn): It is a metallic chemical compound of niobium ...14 KB (1,909 words) - 04:59, 15 November 2022
- The chemical compound nitric oxide is a gas with formula NO. It is ... "Production: Growth is the Norm." Chemical and Engineering ...12 KB (1,673 words) - 02:25, 16 November 2022
- Selenium (chemical symbol Se, atomic number 34) is a chemical element ... It is an important catalyst for chemical reactions in industry as ...23 KB (3,335 words) - 17:47, 25 January 2023
- In chemistry, a carbene is a highly reactive organic compound with ... J. Kaufmann, and Gary B. Schuster, Chemical and Physical Properties ...12 KB (1,686 words) - 07:11, 24 April 2023
- surface area available for adsorption and chemical reactions. It is usually ... the high surface area, though further chemical treatment often enhances ...23 KB (3,406 words) - 05:41, 15 June 2023
- products, which yields the organic compound acetic acid, its key ingredient ... Acetic acid, also known as ethanoic acid, is an organic chemical compound ...21 KB (3,152 words) - 20:25, 3 May 2023
- can be removed from the fruit. A nut is a compound ovary that is both the seed ... significant source of resveratrol, a chemical compound that is reported to ...11 KB (1,669 words) - 17:09, 26 March 2023
- to a large variation in the physical and chemical composition of abrasives ... Cutting compound used on automotive paint is an example of an abrasive ...20 KB (3,070 words) - 06:35, 14 June 2023
- Sulfur dioxide (also sulphur dioxide) is the chemical compound with the formula SO2. This important gas is the main product from the combustion ...13 KB (1,988 words) - 21:44, 26 February 2023
- Thallium (chemical symbol Tl, atomic number 81) is a soft, malleable ... * Chemical element * Metal * Periodic table ==Notes== == References == ...13 KB (1,784 words) - 15:06, 30 April 2023
- Helium (chemical symbol He, atomic number 2) is a minor component ... *The Encyclopedia of the Chemical Elements, edited by Cifford A. Hampel ...32 KB (4,897 words) - 15:19, 25 January 2023
- Prior to the widespread use of chemical herbicides, weeds were controlled ... or one of many esters of the parent compound. These are easier to handle ...17 KB (2,537 words) - 15:43, 25 January 2023
- Argon (chemical symbol Ar, atomic number 18) is a member of the noble ... argon hydrofluoride (HArF)—a metastable compound of argon with fluorine and ...11 KB (1,517 words) - 06:25, 12 August 2023
- Rubidium (chemical symbol Rb, atomic number 37) is a soft, silvery ... in research and development, primarily in chemical and electronic applications. ...14 KB (1,892 words) - 20:57, 21 December 2022
- Nitric acid (chemical formula HNO3) is one of the most important inorganic ... == Chemical properties == Nitric acid is formed by the reaction of ...19 KB (2,942 words) - 02:25, 16 November 2022
- Ethylene (or IUPAC name ethene) is a chemical compound with the formula C2H4. Each molecule contains a double bond between the two carbon atoms ...26 KB (3,781 words) - 04:36, 22 March 2024
- a way of detecting arsenous oxide (a compound of arsenic) in corpses, ... *Forensic chemistry: It is the application of chemical analyses to ...14 KB (2,091 words) - 06:30, 1 April 2024
- Acetic acid, also known as ethanoic acid, is an organic chemical compound best recognized for giving vinegar its sour taste and pungent smell ...35 KB (5,135 words) - 07:33, 14 June 2023
- == Chemical and physical properties == Rubber exhibits unique physical and chemical properties. ...28 KB (4,420 words) - 20:57, 21 December 2022
- Mass spectrometry is an analytical technique that identifies the chemical composition of a compound or sample based on the mass-to-charge ratio ...44 KB (6,414 words) - 16:19, 7 November 2022
- There are two routes that a volatile chemical can take to reach the ... *Orthonasal route. The chemical is carried in the air to the external ...23 KB (3,591 words) - 10:31, 11 March 2023
- chemistry) is the study of chemicals and chemical processes that occur in ... is a continuity of both chemicals and chemical principles that operate ...24 KB (3,603 words) - 23:47, 11 January 2023
- of moderate androgenic activity. This compound crosses the basal membrane ... anti-thrombin III, and plasminogen. These chemical factors play a role in the ...11 KB (1,614 words) - 00:20, 19 March 2022
- caused by overexposure to pesticides and chemical warfare agents such as sarin ... as tabasco peppers and habaneros. The compound is not appreciably toxic ...13 KB (1,852 words) - 15:08, 27 April 2023
- free or united at the base. Flowers with compound pistils composed of three ... Buckwheat contains rutin, a medicinal chemical that strengthens capillary ...21 KB (3,013 words) - 17:20, 30 April 2020
- from natural products or prepared by chemical synthesis. ... *a chemical (typically a solvent) can be sprayed along with the paint ...12 KB (1,860 words) - 06:16, 18 November 2022
- Yttrium (chemical symbol Y, atomic number 39) is a lustrous, silvery ... substance is the most important yttrium compound. It is especially useful ...12 KB (1,634 words) - 21:34, 4 June 2023
- *Chemical substance, in chemistry, a substance is an element or compound ... *Substance (medicine), in medicine, substance is any drug, chemical ...12 KB (1,836 words) - 21:25, 26 February 2023
- Sodium chloride, also known as common salt or table salt, is a chemical compound with the formula NaCl. Its mineral form is called halite. It ...16 KB (2,377 words) - 15:04, 27 April 2023
- bacteria; and coal converted through a chemical process. ... or explosion occurs. Sometimes a related compound, thiophane is used, with ...25 KB (3,786 words) - 04:20, 11 March 2023
- human body from other compounds through chemical reactions and thus has to ... Tyrptophan's chemical formula is C11H12N2O2. Tryptophan behaves ...18 KB (2,592 words) - 18:31, 2 May 2023
- and domestic. It includes physical, chemical and biological processes ... WWTP). The order and types of mechanical, chemical and biological systems that ...15 KB (2,180 words) - 10:10, 26 January 2023
- is a group of organic compounds. Its chemical formula is C6H6. If inhaled ... (calcium oxide). Mitscherlich named the compound benzin. In 1845, Charles ...21 KB (3,162 words) - 10:44, 28 September 2023
- seen, but can be detected in the form of chemical signals; these are known ... such as those of fossil ferns, involve chemical reduction of the complex ...18 KB (2,851 words) - 12:16, 22 May 2021
- Zirconium (chemical symbol Zr, atomic number 40) is a strong, lustrous ... process. It is the principal starting compound for the synthesis of many ...16 KB (2,114 words) - 06:08, 13 June 2023
- natural processes (such as composting) or chemical processes (such as the Haber ... saw innovative competition from Imperial Chemical Industries who developed ...33 KB (4,735 words) - 17:28, 26 March 2024
- is replaced by metal atoms, the resultant compound is called a fulleride. Some ... high resistance to heat, and relative chemical inactivity (as it is cylindrical ...28 KB (4,196 words) - 07:18, 15 April 2024
- A prominent example of an intercalation compound is potassium graphite, denoted by the formula KC8. Natural and crystalline graphites are not ...13 KB (1,840 words) - 19:59, 19 September 2021
- atoms attached to biphenyl and a general chemical formula of C12H10-xClx. ... ==Physical and chemical properties== Most of the 209 different PCB ...24 KB (3,627 words) - 08:41, 24 November 2022
- Radon (chemical symbol Rn, atomic number 86) is a chemically inert ... Category:Chemical elements 70471850 ...15 KB (2,200 words) - 22:50, 7 December 2022
- which produced a beautiful white compound and appeared to take away ... the help of his wife and children. His compound at this time consisted of ...19 KB (3,096 words) - 19:08, 4 December 2023
- The chemical compound ammonium nitrate, the nitrate of ammonia with the chemical formula NH4NO3, is a white powder at room temperature and standard ...18 KB (2,699 words) - 07:39, 25 July 2023
- and subgenus Rubus (or Eubatus) with compound leaves and bearing aggregate ... the ground and bearing large palmately compound leaves with five or seven ...19 KB (2,739 words) - 18:11, 31 October 2023
- the mid-infrared absorption spectrum of a compound is very specific for that ... Being very energetic, UV can break chemical bonds, making molecules ...16 KB (2,367 words) - 15:55, 13 February 2024
- Mercury, also called quicksilver (chemical symbol Hg, atomic number ... scientific apparatus. The organomercury compound Thiomersal (commonly called ...41 KB (5,903 words) - 16:12, 9 November 2022
- mental phenomena originated from physico-chemical processes in the human body ... of Descartes that the human being is a compound of two different but interactive ...10 KB (1,458 words) - 17:46, 29 July 2023
- Processing techniques include various chemical, thermal, electrolitic, ... Some of the chemical processes will require a source of hydrogen for ...17 KB (2,555 words) - 19:04, 7 February 2023
- Deuterium (chemical symbol D or ²H) is a stable isotope of hydrogen ... a nonradioactive isotopic tracer to study chemical reactions and metabolic ...31 KB (4,687 words) - 10:07, 29 January 2024
- or alkyl halides) are a group of chemical compounds, consisting of ... halogenoalkane, and alkyl halide is a chemical compound derived from an alkane ...35 KB (5,199 words) - 23:36, 3 August 2023
- Felting is done by a chemical process in industry. It is also done ... with a dilute solution of the mercury compound mercuric nitrate. The skins ...9 KB (1,531 words) - 17:14, 26 March 2024
- number of legs. In fact, its name is a compound word formed from the Latin ... As far as humans are concerned, this chemical brew is fairly harmless ...9 KB (1,312 words) - 18:00, 9 November 2022
- out and reduced back to the dihydroxy compound using hydrogen gas in the ... that doesn't react or catalyse the chemical. Numerous materials and ...32 KB (4,734 words) - 13:20, 4 February 2023
- world. They are bulbous plants that produce chemical compounds (mostly cystein sulfoxide) that give them a characteristic onion or garlic taste and ...11 KB (1,635 words) - 12:22, 27 January 2023
- are Type I, while almost all impure and compound superconductors are Type II. ... at 93 K in a New Mixed-Phase Y-Ba-Cu-O Compound System at Ambient Pressure ...21 KB (3,041 words) - 23:46, 26 February 2023
- is a strong mineral acid with the chemical formula H2SO4. It is soluble ... in greater amounts than any other chemical besides water. World production ...31 KB (4,778 words) - 21:53, 26 February 2023
- Phosphorus (chemical symbol P, atomic number 15) is a multivalent ... to the recent US Navy's Treatment of Chemical Agent Casualties and Conventional ...25 KB (3,622 words) - 22:45, 28 March 2023
- A polymer (from the Greek words polys, meaning "many," and meros, meaning "parts") is a chemical compound consisting of large ...26 KB (3,690 words) - 08:46, 24 November 2022
- Development of chemical pigments and dyes helped bring new industrial ... *Vermilion, a toxic mercury compound favored for its deep red-orange ...29 KB (4,213 words) - 06:14, 24 November 2022
- Ammonia is a chemical compound of nitrogen and hydrogen, with the formula NH3. It is a gas at standard temperature and pressure In this case, ...39 KB (5,803 words) - 07:35, 25 July 2023
- :This article is about the chemical element. number=16 | symbol=S ... Sulfur or sulphur (see spelling below) (chemical symbol S, atomic ...22 KB (3,269 words) - 21:43, 26 February 2023
- Uranium (chemical symbol U, atomic number 92) is a silvery metallic ... from its ore.Seaborg, Encyclopedia of the Chemical Elements (1968), 774 Uranium ...48 KB (6,867 words) - 15:33, 16 January 2024
- and understanding of this essential compound has allowed supplementation ... group of some enzymes. This activated compound plays a vital role as the ...22 KB (3,234 words) - 20:41, 3 May 2023
- other hand, washing powder is an example of the chemical process industry. The production of dehydrated natural flavors and essences is very important ...10 KB (1,629 words) - 22:34, 19 August 2020
- 50° F (UGA 2007). The flowers are a compound umbel, composed of small ... as they go through menopause, as it has a chemical that inhibits the activity ...16 KB (2,477 words) - 10:33, 11 March 2023
- such fundamental issues as the nature of chemical elements and their composition ... papers," and prepare some important chemical investigations that he proposed ...20 KB (3,111 words) - 21:10, 16 April 2023
- Gold (chemical symbol Au; atomic number 79) has long been valued as ... 金 [jīn], Japanese 金 [kin]) is a chemical element and a precious metal ...28 KB (4,345 words) - 08:13, 24 January 2023
- of a human being, a collection of chemical elements, mobile electrons ... The most common chemical compound in the human body is water, with ...25 KB (3,706 words) - 21:55, 23 December 2020
- Titanium (chemical symbol Ti, atomic number 22) is a silvery-white ... of household plastics. In nature, this compound is found in the minerals ...27 KB (3,874 words) - 03:49, 1 May 2023
- oxide or dinitrogen monoxide, is a chemical compound with the formula N2O. ... Based on its properties, this chemical has diverse applications. For ...20 KB (2,927 words) - 02:28, 16 November 2022
- Compound eyes are found among certain arthropods and are composed ... Trilobites, which are now extinct, had unique compound eyes. They ...29 KB (4,749 words) - 03:52, 22 June 2022
- Silver (chemical symbol Ag, atomic number 47) is a soft metal with ... with Old High German silabar). Its chemical symbol, Ag, is an abbreviation ...20 KB (2,849 words) - 22:08, 29 January 2023
- and grown as ground cover. The chemical that makes ivy leaves and ... usually bear pinnately or palmately compound leaves, and usually have ...11 KB (1,636 words) - 03:54, 13 March 2024
