Search results for "Carbon-12" - New World Encyclopedia
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- Carbon has two stable, naturally occurring isotopes: carbon-12 (12C) and carbon-13 (13C), at relative abundances of approximately 98.9 percent ...21 KB (2,997 words) - 22:12, 25 November 2023
- Carbon nanotubes (CNTs) are allotropes of carbon with molecular structures that are tubular in shape, having diameters on the order of a few ...62 KB (8,806 words) - 19:09, 26 November 2023
- Carbon black is a material produced by the incomplete combustion of heavy petroleum products such as FCC tar, coal tar, ethylene cracking tar ...7 KB (1,036 words) - 22:13, 25 November 2023
- Activated carbon (also called active carbon, activated charcoal, or activated coal) is a form of carbon that has been processed to make it extremely ...23 KB (3,406 words) - 05:41, 15 June 2023
- The carbon cycle is the biogeochemical cycle by which carbon is exchanged between the biosphere, geosphere, hydrosphere, and atmosphere of the ...17 KB (2,593 words) - 23:46, 20 April 2023
- Carbon dioxide is a chemical compound that is found as a gas in the Earth's atmosphere. It consists of simple molecules, each of which has ...34 KB (5,140 words) - 19:07, 26 November 2023
- Carbon monoxide, with the chemical formula CO, is a colorless, odorless, and tasteless gas. It is the product of the incomplete combustion of ...20 KB (2,871 words) - 19:08, 26 November 2023
Page text matches
- Carbon black is a material produced by the incomplete combustion of heavy petroleum products such as FCC tar, coal tar, ethylene cracking tar ...7 KB (1,036 words) - 22:13, 25 November 2023
- 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
- If a chemical element can exist in two or more different forms, the forms are known as allotropes of the element, and this type of behavior is ...5 KB (685 words) - 08:09, 23 July 2023
- Deoxyribose, also known as D-Deoxyribose and 2-deoxyribose, is a pentose sugar (monosaccharide containing five carbon atoms) that is a key component ...7 KB (1,045 words) - 05:24, 25 August 2020
- Ribose, primarily seen as D-ribose, is a water-soluable, pentose sugar (monosaccharide with five carbon atoms) that is an important component ...7 KB (1,027 words) - 09:19, 10 August 2022
- The carbon cycle is the biogeochemical cycle by which carbon is exchanged between the biosphere, geosphere, hydrosphere, and atmosphere of the ...17 KB (2,593 words) - 23:46, 20 April 2023
- Category:Public Organic chemistry is the scientific study of the structures, properties, and methods of syntheses of chemical compounds that are ...8 KB (1,161 words) - 01:13, 18 November 2022
- Redox (shorthand for reduction/oxidation reaction) describes all chemical reactions in which atoms have their oxidation number (oxidation state ...12 KB (1,809 words) - 02:49, 8 December 2022
- Smoke is the airborne solid and liquid particulates and gases evolved when a material undergoes pyrolysis or combustion, together with the quantity ...7 KB (1,034 words) - 21:19, 30 January 2023
- An aldehyde is an organic compound containing a terminal carbonyl group. This functional group, called an aldehyde group, consists of a carbon ...11 KB (1,651 words) - 05:09, 17 June 2023
- twelfth the mass of a single atom of the carbon-12 isotope. ... to one-twelfth the mass of an atom of carbon-12. Because an element in ...13 KB (2,025 words) - 06:26, 21 August 2023
- Biomass, as a renewable energy source, refers to biological material that can be used as fuel or for industrial production. It includes plant ...14 KB (1,875 words) - 17:55, 31 October 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
- Carbon has two stable, naturally occurring isotopes: carbon-12 (12C) and carbon-13 (13C), at relative abundances of approximately 98.9 percent ...21 KB (2,997 words) - 22:12, 25 November 2023
- A supercritical fluid is any substance at a temperature and pressure above its thermodynamic critical point. It has the unique ability to diffuse ...14 KB (2,010 words) - 13:54, 28 April 2023
- Butane, also called n-butane (normal butane), is an unbranched alkane with four carbon atoms in each molecule. Its molecular formula may be written ...10 KB (1,437 words) - 18:43, 23 November 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
- Fatty acids are a class of compounds containing a long hydrocarbon chain and a terminal carboxylate group (-COOH). They have the general structure ...16 KB (2,372 words) - 01:39, 26 March 2024
- A covalent bond is a type of chemical bond characterized by the sharing of a pair of electrons between two atoms. In general, a chemical bond ...15 KB (2,401 words) - 06:13, 11 January 2024
- Graphite is one of the two common but distinctively different forms or allotropes of carbon, the other being diamond. Graphite holds the distinction ...13 KB (1,840 words) - 19:59, 19 September 2021
- A ketone (pronounced as key tone) is either the functional group characterized by a carbonyl group (O=C) linked to two other carbon atoms or ...9 KB (1,318 words) - 03:31, 6 October 2022
- Carbonic acid (ancient name acid of air or aerial acid) is a weak acid with the formula H2CO3. It is formed in small amounts when carbon dioxide ...13 KB (2,013 words) - 19:10, 26 November 2023
- A steroid is any of a group of natural or synthetic, fat-soluble, organic compounds belonging to the class of lipids and characterized by a molecular ...10 KB (1,426 words) - 20:04, 9 February 2023
- Category:Public {|style="border: 1px solid; float: right; width: 250px;" !colspan="2" style="text-align: center; background: ...10 KB (1,452 words) - 10:12, 11 March 2023
- Nucleosides are structural subunits of nucleic acids, the macromolecules that convey genetic information in living cells. They consist of a nitrogen ...6 KB (865 words) - 10:10, 11 March 2023
- Acetylene (systematic name: ethyne) is a hydrocarbon belonging to the group of alkynes. It is considered to be the simplest of all alkynes as ...14 KB (2,038 words) - 07:36, 14 June 2023
- In chemistry, isomers are molecules that share the same chemical formula but differ in the arrangement of atoms. (Isomers in chemistry should ...14 KB (2,096 words) - 05:56, 11 March 2024
- A metalloid is a chemical element with properties that are intermediate between those of metals and nonmetals. The following elements are generally ...7 KB (910 words) - 16:19, 9 November 2022
- Johann Friedrich Wilhelm Adolf von Baeyer (October 31, 1835 – August 20, 1917) was a German chemist who made major contributions to the field ...9 KB (1,376 words) - 06:04, 15 June 2023
- Astrochemistry, representing an overlap of the disciplines of astronomy and chemistry, is the study of chemicals found in outer space, including ...7 KB (940 words) - 18:21, 19 August 2023
- Carboxylic acids are organic acids characterized by the presence of one or more carboxyl groups in their molecules. A carboxyl group consists ...13 KB (1,872 words) - 19:11, 26 November 2023
- In chemistry, a carbene is a highly reactive organic compound with the general molecular formula "R1R2C:." This formula indicates that ...12 KB (1,686 words) - 07:11, 24 April 2023
- An aerogel is a low-density solid-state material derived from a gel in which the liquid component of the gel has been replaced with gas. The ...18 KB (2,574 words) - 05:49, 16 June 2023
- Particulates, also referred to as particulate matter (PM), aerosols, or fine particles, are tiny particles of solid or liquid suspended in a ...18 KB (2,652 words) - 08:57, 18 November 2022
- The respiratory system is an integrated network of organs and tubes that coordinates the exchange of oxygen and carbon dioxide between an organism ...13 KB (1,922 words) - 19:44, 16 April 2023
- Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group with the characteristic structure of ...7 KB (1,048 words) - 13:34, 15 July 2020
- Friedrich August Kekulé von Stradonitz (also August Kekulé) (September 7, 1829 – July 13, 1896) was a German organic chemist. One of the ...9 KB (1,392 words) - 18:28, 21 August 2023
- Submit to get this template or go to Template:Chembox_simple_organic. --> {|class="infobox" width="225" style="float:right; ...5 KB (742 words) - 07:29, 12 January 2024
- An epoxide is a cyclic ether with only three ring atoms. The simplest epoxide is ethylene oxide, also known as oxirane, which is regarded as ...6 KB (852 words) - 19:13, 13 February 2024
- Carbon monoxide, with the chemical formula CO, is a colorless, odorless, and tasteless gas. It is the product of the incomplete combustion of ...20 KB (2,871 words) - 19:08, 26 November 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
- The term carotene refers to a class of related organic compounds with the formula C40H56. Carotenes exist in several isomers that have the same ...11 KB (1,641 words) - 00:37, 29 November 2023
- Jacobus Henricus van 't Hoff (August 30, 1852 - March 1, 1911), a Dutch physical and organic chemist, was the first to propose a three-dimensional ...10 KB (1,516 words) - 17:33, 9 March 2022
- Activated carbon (also called active carbon, activated charcoal, or activated coal) is a form of carbon that has been processed to make it extremely ...23 KB (3,406 words) - 05:41, 15 June 2023
- Pyruvic acid (C3H4O3 (CH3COCO2H)) is a three-carbon, keto acid that plays an important role in biochemical processes. At the pH levels of the ...14 KB (1,901 words) - 15:37, 18 June 2015
- Calanoida Cyclopoida Gelyelloida Harpacticoida Misophrioida Monstrilloida Mormonilloida Platycopioida Poecilostomatoida Siphonostomatoida ...10 KB (1,426 words) - 02:55, 8 January 2024
- In chemistry, an amide is one of two kinds of compounds: * the organic functional group characterized by a carbonyl group (C=O) linked to a nitrogen ...10 KB (1,423 words) - 06:58, 25 July 2023
- Polyester is the name for a class of polymers that contain the ester functional group in their main chain. Although some types of polyesters ...8 KB (1,111 words) - 17:38, 9 October 2021
- Atmospheric chemistry involves study of the chemistry of the atmospheres of Earth and other planets. It is a branch of atmospheric science and ...11 KB (1,481 words) - 06:25, 21 August 2023
- Charcoal is the blackish material consisting mainly of carbon obtained by removing water and other volatile constituents from plant matter (such ...15 KB (2,216 words) - 01:45, 4 December 2023
- 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
- Ether is the general name for a class of organic chemical compounds characterized by molecules that contain an ether functional group—an oxygen ...15 KB (2,285 words) - 04:31, 22 March 2024
- Fructose (or levulose) is a simple sugar (monosaccharide) with the same chemical formula as glucose (C6H12O6) but a different atomic arrangement ...12 KB (1,703 words) - 09:20, 21 June 2021
- Purine is a heterocyclic, aromatic, organic compound, consisting of a pyrimidine ring fused to an imidazole ring. Heterocyclic compounds are ...7 KB (928 words) - 23:49, 2 December 2022
- In organic chemistry, functional groups (or moieties) are specific groups of atoms within molecules, that are responsible for the characteristic ...13 KB (1,621 words) - 07:19, 15 April 2024
- <!-- Submit to get this template or go to :Template:Chembox simple organic. --> {|class="infobox" style="float:right;" ...11 KB (1,600 words) - 16:26, 9 November 2022
- Photosynthesis is the conversion of the energy of sunlight into chemical energy by living organisms. In most cases, the raw materials are carbon ...27 KB (4,019 words) - 05:05, 24 November 2022
- The periodic table of the chemical elements is a tabular display of the chemical elements. It is perhaps the icon of Chemistry and expresses ...13 KB (1,942 words) - 00:40, 24 November 2022
- Carbon dioxide is a chemical compound that is found as a gas in the Earth's atmosphere. It consists of simple molecules, each of which has ...34 KB (5,140 words) - 19:07, 26 November 2023
- Silicon (chemical element symbol Si, atomic number 14) is a member of a group of chemical elements classified as metalloids. It is less reactive ...20 KB (2,980 words) - 22:04, 29 January 2023
- Adsorption, not to be confused with absorption, is a process by which a gas, liquid, or solute (substance in solution) binds to the surface of ...19 KB (2,837 words) - 06:18, 15 June 2023
- A giant star is a star with substantially larger radius and luminosity than a main sequence star of the same surface temperature. It is, therefore ...9 KB (1,372 words) - 07:44, 24 January 2023
- Formic acid (systematic name methanoic acid) is the simplest carboxylic acid. Its formula is HCOOH or CH2O2. In nature, it is found in the stings ...13 KB (1,811 words) - 06:35, 1 April 2024
- Propane is a three-carbon alkane, normally a gas, but compressible to a liquid that is transportable. It is derived from other petroleum products ...13 KB (1,941 words) - 00:08, 2 December 2022
- Food chains, along with food webs and food networks, describe the feeding relationships between species in a biotic community. In other words ...8 KB (1,247 words) - 10:18, 10 November 2023
- Nobelium (chemical symbol No, atomic number 102), also known as unnilbium (symbol Unb), is a synthetic element in the periodic table. A radioactive ...7 KB (962 words) - 02:34, 16 November 2022
- |- | align="center" colspan="2" bgcolor="#ffffff" | [[Image:Nitrous-oxide-3D-vdW.png|150px|Nitrous oxide - space ...20 KB (2,927 words) - 02:28, 16 November 2022
- Fullerenes are a family of carbon allotropes (other allotropes of carbon are graphite and diamond) consisting of molecules composed entirely ...28 KB (4,196 words) - 07:18, 15 April 2024
- Category:Public [[image:Edge_of_Space2.png|thumb|right|175px|Layers of Atmosphere (NOAA)]] The Earth's atmosphere is a layer of gases surrounding ...24 KB (3,540 words) - 17:34, 12 February 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
- Greenhouse gases (GHGs) is the name given to a number of gases present in the earth's atmosphere which reduce the loss of heat into space ...34 KB (4,898 words) - 17:16, 16 February 2023
- Dry cleaning is any cleaning process for clothing and textiles using an organic solvent rather than water. The solvent is generally known as ...18 KB (2,825 words) - 21:15, 30 January 2024
- Steel is a metal alloy whose major component is iron, with carbon content between 0.02 and 1.7 percent by weight. Carbon is the most cost-effective ...29 KB (4,547 words) - 04:40, 28 April 2023
- |- | colspan="6" align="center" | *Boron-10 content may be as low as 19.1% and ashigh as 20.3% in natural samples. Boron-11 ...16 KB (2,239 words) - 19:45, 20 November 2023
- **The nucleus of a carbon-12 atom contains six protons and six neutrons (all fermions) and is also a boson. * A composite particle containing ...16 KB (2,185 words) - 17:26, 26 March 2024
- Noel Kempff Mercado National Park is a national park in Bolivia located in the northeastern portion of the Santa Cruz Department. It is one of ...13 KB (1,943 words) - 09:58, 11 March 2023
- Fossil fuels or mineral fuels are hydrocarbon fuels found within the top layer of the Earth’s crust. They range from highly volatile materials ...15 KB (2,136 words) - 06:36, 1 April 2024
- |- align = "center" | |width = "25"| | [[Image:Potentiometer symbol.svg|50px]] |- align = "center" | ...24 KB (3,494 words) - 19:43, 16 April 2023
- For a chemical reaction to take place, it requires a certain minimum amount of energy, called its activation energy. If a substance can lower ...12 KB (1,789 words) - 17:49, 30 November 2023
- The main group elements of the periodic table are groups 1, 2 and 13 through 18. Elements in these groups are collectively known as main group ...30 KB (4,368 words) - 00:41, 24 November 2022
- Category:Public number=12 | symbol=Mg | name=magnesium | left=sodium | right=aluminium | above=Be | below=Ca | color1=#ffdead | color2=black ...17 KB (2,430 words) - 10:49, 9 March 2023
- Talc (derived from the Persian via Arabic talq) is a mineral composed of magnesium silicate hydroxide. It is extremely soft, with a greasy feel ...8 KB (1,172 words) - 03:55, 27 February 2023
- A chemical reaction is a process that leads to the interconversion of chemical substances. [http://goldbook.iupac.org/C01033.html Chemical reaction ...12 KB (1,710 words) - 14:43, 5 December 2023
- 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
- 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
- Palladium (chemical symbol Pd, atomic number 46) is a rare, silver-white metal. It is a member of the platinum group of elements and resembles ...13 KB (1,749 words) - 06:25, 18 November 2022
- <!-- Submit to get this template or go to :Template:Chembox_simple_organic. --> {| id="bioChemInfoBox" align="right" ...9 KB (1,271 words) - 23:04, 30 April 2023
- Essential oil is any concentrated, hydrophobic (immiscible with water), typically lipophilic (oil or fat soluble) liquid of plants that contains ...16 KB (2,270 words) - 12:06, 5 March 2021
- A bog is a freshwater wetland characterized by acidic peat deposits and by moisture provided by precipitation (rain and snow) rather than groundwater ...13 KB (1,940 words) - 00:02, 12 January 2023
- The term xylene refers to a group of three benzene derivatives, each of which has two methyl functional groups attached to the benzene ring. ...10 KB (1,443 words) - 09:56, 22 May 2023
- Category:Public number=74 | symbol=W | name=tungsten | left=tantalum | right=rhenium | above=Mo | below=Sg | color1=#ffc0c0 | color2=black ...17 KB (2,431 words) - 18:45, 2 May 2023
- 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
- Methanol, also known as methyl alcohol, carbinol, wood alcohol, wood naphtha, or wood spirits, is the simplest alcohol. Its chemical formula ...20 KB (2,894 words) - 16:26, 9 November 2022
- Cyanobacteria (Greek: κυανόs (kyanós) = blue + bacterium) is a phylum (or "division") of bacteria that obtain their energy through ...12 KB (1,656 words) - 17:46, 12 May 2020
- The greenhouse effect is the process in which long wave radiation (infrared) emitted by the earth surface is absorbed by atmospheric gases only ...23 KB (3,592 words) - 23:26, 17 February 2023
- Calcite is a carbonate mineral and is among the most widely distributed minerals on the Earth's surface. Chemically, it is known as calcium ...7 KB (1,007 words) - 18:20, 25 November 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
- Energy independence is self-sufficiency in terms of the availability of useful energy for the needs of a particular entity (nation, community ...14 KB (1,937 words) - 20:52, 8 February 2023
- Alveolus (plural: alveoli), or pulmonary alveolus, informally known as air sac, is any of the innumerable minuscule, thin-walled, capillary-rich ...10 KB (1,508 words) - 14:17, 2 July 2022
- In biology, detritus is dead organic material, as opposed to living organisms or inorganic matter. However, what specifically is included as ...17 KB (2,559 words) - 08:55, 15 January 2023
- Gravimetric analysis describes a set of methods in analytical chemistry for the quantitative determination of an analyte based on the mass of a solid. ...8 KB (1,266 words) - 19:27, 20 January 2023
- Peat is a dark, fibrous accumulation of partially decomposed and disintegrated organic matter found in wet areas, and usually comprising residues ...19 KB (2,935 words) - 17:10, 26 March 2023
- 6 (six) is a number, numeral, and glyph that represents the number. It is the natural number A natural number is any number that is a positive ...19 KB (2,695 words) - 06:47, 13 June 2023
- A fire extinguisher is an active fire protection device used to extinguish or control a fire, often in emergency situations. Typically, a fire ...15 KB (2,294 words) - 19:52, 26 March 2024
- The term chiral is used to describe an object that is not superposable on its mirror image. Human hands are perhaps the most universally recognized ...24 KB (3,570 words) - 17:06, 10 December 2023
- A geyser is a type of hot spring that erupts periodically, ejecting a column of hot water and steam into the air. The name geyser comes from ...16 KB (2,391 words) - 02:41, 6 December 2022
- the same ratio of carbon-14 to carbon-12 into their tissues and the animals eating the plants have a similar ratio in their tissues. After organisms ...30 KB (4,559 words) - 22:46, 7 December 2022
- Terpene is any of a large and varied class of hydrocarbons, with the molecular formula (C5H8)n, that are produced by a wide variety of plants ...11 KB (1,643 words) - 14:57, 30 April 2023
- Fire occupies a unique place in nature. It is not matter itself, but it involves the reaction of different types of matter to generate energy ...16 KB (2,510 words) - 19:51, 26 March 2024
- The lung is either of the two primary respiratory organs in air-breathing vertebrates. Its principal function is to transport oxygen from the ...13 KB (1,981 words) - 03:04, 5 November 2022
- Glycine is one of the 20 most common, natural, "proteinogenic" (literally, protein building) standard amino acids. It is the simplest ...10 KB (1,540 words) - 08:03, 24 January 2023
- Leucine is an α-amino acid that is found in most proteins and is essential in the human diet. It is similar to isoleucine and valine in being ...8 KB (1,156 words) - 22:03, 25 October 2022
- 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
- Reductionism, in a philosophical context, is a theory that asserts that the nature of complex things is reduced to the nature of sums of simpler ...13 KB (1,960 words) - 02:59, 8 December 2022
- In human spaceflight, a life support system is a group of devices that allow a human to survive in outer space. Such a system normally supplies ...11 KB (1,632 words) - 01:14, 26 October 2022
- Bitumen is a mixture of dark, sticky, highly viscous organic liquids composed mainly of aromatic hydrocarbons. It is usually black or dark brown ...11 KB (1,560 words) - 23:49, 11 January 2023
- The term fiber (or fibre The spelling "fibre" is used in Commonwealth countries and sometimes in the United States as well. ...10 KB (1,428 words) - 17:32, 26 March 2024
- The Devonian period is an interval of about 57 million years defined on the geologic time scale as spanning roughly from 416 to 359 million years ...10 KB (1,511 words) - 05:54, 25 August 2020
- Ribonucleic acid or RNA is a polymer or chain of nucleotide units, each comprising a nitrogenous base (adenine, cytosine, guanine, or uracil ...21 KB (3,210 words) - 21:06, 16 April 2023
- Benzene (also known as benzol or [6]-annulene) is a colorless, flammable, sweet-smelling liquid. It is a natural constituent of crude oil but ...21 KB (3,162 words) - 10:44, 28 September 2023
- Weathering is the process of disintegration of rocks and soils and the minerals they contain through direct or indirect contact with the atmosphere ...18 KB (2,677 words) - 22:02, 11 June 2020
- Gas is one of the four major states or phases of matter, along with solid, liquid, and plasma. Each state is characterized by distinct physical ...20 KB (3,107 words) - 04:37, 18 April 2024
- Biochemistry (once known as physiological chemistry or biological chemistry) is the study of chemicals and chemical processes that occur in living ...24 KB (3,603 words) - 23:47, 11 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
- Regolith is a layer of loose, heterogeneous material covering solid rock. It includes dust, soil, broken rock, and other related materials. It ...13 KB (1,996 words) - 03:04, 8 December 2022
- Flywheel energy storage (FES) works by accelerating a rotor (flywheel) to a very high speed and maintaining the energy in the system as rotational ...17 KB (2,549 words) - 06:12, 1 April 2024
- A truck is a motorized vehicle usually used for transporting bulk goods, materials, or equipment. The word "truck" comes from the Greek ...14 KB (2,129 words) - 18:25, 2 May 2023
- Valine is an α-amino acid that is found in most proteins and is essential in the human diet. It is similar to leucine and isoleucine in being ...8 KB (1,183 words) - 14:14, 3 May 2023
- From July 25 to September 23, 2001, red rain sporadically fell on the southern Indian state of Kerala. Heavy downpours occurred in which red ...21 KB (3,061 words) - 19:10, 16 April 2023
- Lycopene is a bright red, fat-soluble carotenoid pigment and phytochemical, C40H56, found in tomatoes, watermelon, guava, and other red fruits ...20 KB (2,797 words) - 10:39, 9 March 2023
- Lanthanum (chemical symbol La, atomic number 57) is a soft, silvery white metallic element. Found in combination with other rare earth elements ...11 KB (1,398 words) - 22:23, 22 October 2022
- Joseph Priestley (March 13, 1733 – February 8, 1804) was an English chemist, philosopher, dissenting clergyman, and educator. As an educator ...19 KB (2,782 words) - 00:48, 11 August 2022
- Shale is the most common sedimentary rock. [http://wps.prenhall.com/esm_lutgens_foundations_3/0,6540,354318-,00.html Rocks: Materials of the Lithosphere: ...4 KB (524 words) - 12:21, 27 January 2023
- Uracil is one of the five main nucleobases found in the nucleic acids DNA and RNA. The others are adenine, cytosine, guanine, and thymine. However ...14 KB (1,996 words) - 19:37, 12 November 2022
- Category:Public number=8 | symbol=O | name=oxygen | left=nitrogen | right=fluorine | above=- | below=S | color1=#a0ffa0 | color2=green ...23 KB (3,469 words) - 06:02, 18 November 2022
- Photochemistry, a sub-discipline of chemistry, is the study of the interactions between atoms, molecules, and light (or electromagnetic radiation). ...4 KB (569 words) - 04:25, 24 November 2022
- with atmospheric nitrogen-14 to produce carbon-12 and tritium, as follows: C-12 + T -->:{| border="0" |- style="height:2em;" ...18 KB (2,638 words) - 16:50, 5 November 2022
- Carbon nanotubes (CNTs) are allotropes of carbon with molecular structures that are tubular in shape, having diameters on the order of a few ...62 KB (8,806 words) - 19:09, 26 November 2023
- Naphthalene (also known as naphthalin, naphthaline, moth ball, tar camphor, white tar, or albocarbon), is a crystalline, aromatic, white, solid ...13 KB (1,879 words) - 01:21, 11 November 2022
- Glycogen is the principal storage form of glucose (Glc) in animal cells, though it is also found in various species of microorganisms, such as ...15 KB (2,341 words) - 18:24, 30 August 2021
- Friedrich Wöhler (July 31, 1800 - September 23, 1882) was a German chemist who ushered in a new age of organic chemistry when he demonstrated ...14 KB (2,077 words) - 10:37, 17 October 2022
- Chlorine (chemical symbol Cl, atomic number 17) is a nonmetal that belongs to a group of chemical elements known as halogens. At ordinary temperatures ...15 KB (2,040 words) - 17:07, 10 December 2023
- Camphor is a waxy, white or transparent solid with a strong, aromatic odor. J. Mann, et al., Natural Products: Their Chemistry and Biological ...11 KB (1,519 words) - 18:58, 25 November 2023
- Category:Public [[Image:CordlessUniden-large.jpg|right|thumb|125px|Cordless handset]] The telephone (or phone) (from Greek: tele = far away; phone ...25 KB (3,620 words) - 02:57, 19 April 2023
- The haloalkanes (also known as halogenoalkanes or alkyl halides) are a group of chemical compounds, consisting of alkanes, such as methane or ...35 KB (5,199 words) - 23:36, 3 August 2023
- The term soft drink—more commonly known as soda, pop, or soda pop, in parts of the United States, Canada, and the U.K. Pop Vs. Soda, [http://popvssoda ...25 KB (3,852 words) - 15:05, 27 April 2023
- In general, an amplifier (or simply amp) is a device that changes, usually increases, the amplitude of a signal. The "signal" is usually ...18 KB (2,580 words) - 09:26, 18 June 2021
- A chemical equation is a symbolic representation of a chemical reaction, wherein one set of substances, called the reactants, is converted into ...12 KB (1,989 words) - 14:40, 5 December 2023
- Polychlorinated biphenyls (PCBs) are a class of organic compounds with 1 to 10 chlorine atoms attached to biphenyl and a general chemical formula ...24 KB (3,627 words) - 08:41, 24 November 2022
- Sir Humphry Davy, 1st Baronet, FRS (December 17, 1778 – May 29, 1829) was an esteemed British chemist and physicist, who vastly expanded chemical ...12 KB (1,863 words) - 20:56, 9 February 2024
- Yeasts are a phylogenetically diverse grouping of single-celled fungi. As members of the Kingdom Fungi, which also includes mushrooms, molds ...24 KB (3,421 words) - 09:54, 23 May 2023
- Category:Public [[Image:minerals.jpg|right|frame|An assortment of minerals. Photo from [http://volcanoes.usgs.gov/Products/Pglossary/mineral.html ...16 KB (2,351 words) - 18:48, 9 November 2022
- A chemical element, often called simply element, is the class of atoms which contain the same number of protons. An older definition refers to ...10 KB (1,624 words) - 14:39, 5 December 2023
- Cerium (chemical symbol Ce, atomic number 58) is a silvery metallic element that is a member of the lanthanide series of chemical elements. It ...15 KB (2,039 words) - 23:59, 3 December 2023
- Balsa is the common name for a fast-growing, tropical American tree, Ochroma pyramidale (synonym O. lagopus), characterized by soft and light ...6 KB (941 words) - 04:22, 11 January 2023
- In physics, there are two kinds of dipoles (from the Greek terms di(s)-, meaning "two," and polos, meaning "pivot" or "hinge ...20 KB (3,037 words) - 15:26, 29 January 2024
- Cookware and bakeware are categories of food preparation utensils commonly found in the kitchen. Cookware consists of cooking vessels, such as ...24 KB (3,711 words) - 20:23, 7 June 2023
- In chemistry, esters are organic compounds in which an organic group (symbolized by R' in this article) replaces the hydrogen atom of a ...11 KB (1,427 words) - 21:32, 20 March 2024
- A planarian is any flatworm (phylum Platyhelminthes) of the suborder (or order) Tricladida of the class Turbellaria. Primarily free-living, planarians ...7 KB (1,024 words) - 20:44, 9 April 2023
- In chemistry, chemical synthesis is the purposeful execution of one or more chemical reactions in order to get a product, or several products ...10 KB (1,522 words) - 14:47, 5 December 2023
- A space elevator is a proposed structure intended to transport material from the surface of a celestial body, particularly Earth, into space ...39 KB (5,875 words) - 15:17, 27 April 2023
- Fuel is any material that is burned or altered to obtain energy. Fuel releases its energy either through chemical means, such as combustion, ...10 KB (1,556 words) - 00:50, 18 October 2022
- Biofuel is defined as fuel derived from biological materials, including materials from organisms that died relatively recently and from the metabolic ...36 KB (5,134 words) - 17:54, 31 October 2023
- The term acid rain is commonly used to mean the deposition of acidic components in rain, snow, fog, dew, or dry particles. The more accurate ...13 KB (1,971 words) - 07:41, 14 June 2023
- Electronegativity is one of the fundamental concepts for an understanding of chemical bonding. The first modern definition was suggested by Linus ...16 KB (2,171 words) - 15:58, 13 February 2024
- Coal is a black or brownish-black sedimentary rock composed primarily of carbon, along with other assorted substances, including sulfur. It is ...32 KB (4,888 words) - 22:13, 7 January 2024
- Category:Public number=20 | symbol=Ca | name=calcium | left=potassium | right=scandium | above=Mg | below=Sr | color1=#ffdead | color2=black ...18 KB (2,626 words) - 18:21, 25 November 2023
- Graphene is a one-atom-thick planar sheet of carbon atoms that are densely packed in a honeycomb crystal lattice. It can be thought of as an ...43 KB (6,272 words) - 12:18, 24 January 2023
- Category:Politics and social sciences Category:Law [[Image:Komora gazowa.jpg|thumb|250 px|Gas chamber at Stutthof concentration camp.]] ...13 KB (1,978 words) - 04:37, 18 April 2024
- Category:Politics and social sciences Category:Archaeological sites Category:Anthropology [[Image:Lascaux 04.jpg|thumb|250px|Lascaux cave painting ...13 KB (2,142 words) - 17:47, 25 October 2022
- Geochronology is the science of determining the absolute ages of rocks, fossils, and sediments found on Earth. This field of science relies on ...10 KB (1,498 words) - 06:51, 18 April 2024
- Nitrogen (symbol N, atomic number 7) is the chief constituent of the Earth's atmosphere and a vital element in all known forms of life. ...22 KB (3,304 words) - 02:26, 16 November 2022
- In botany, the term evergreen refers to a tree, shrub, or other plant having foliage that persists throughout the year. This terminology includes ...11 KB (1,564 words) - 04:53, 6 April 2021
- In chemistry, a mixture is a material made by combining two or more different chemical substances (such as chemical elements and chemical compounds ...5 KB (683 words) - 19:22, 9 November 2022
- Igneous rocks form when magma (molten rock) cools and solidifies. The solidification process may or may not involve crystallization, and it may ...25 KB (3,680 words) - 13:42, 4 February 2023
- Black powder is the original gunpowder; it was one of the few known propellants and explosives until the middle of the nineteenth century. Since ...14 KB (2,154 words) - 14:28, 8 February 2022
- Kyudo (弓道) (The "Way of the Bow") is the Japanese art of archery. It is a Japanese martial art in which archers use a tall Japanese ...13 KB (2,130 words) - 04:14, 6 October 2022
- 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
- Amines are organic compounds and a type of functional group that contain nitrogen as the key atom. Structurally amines resemble ammonia, wherein ...18 KB (2,577 words) - 07:02, 25 July 2023
- The Bering Sea is the northernmost part of the Pacific Ocean that comprises a deep water basin (the Aleutian Basin) that rises up through a narrow ...15 KB (2,176 words) - 11:00, 28 September 2023
- The Atlantic Forest (Mata Atlântica in Portuguese) is a region of tropical and subtropical moist forest, tropical dry forest, tropical savannas ...10 KB (1,472 words) - 06:06, 21 August 2023
- Salmonella (plural salmonellae, salmonellas, or salmonella) are any of the various rod-shaped, gram-negative bacteria that comprise the genus ...11 KB (1,577 words) - 01:52, 23 December 2022
- A rock is a naturally occurring aggregate of minerals and mineral-like substances called mineraloids. Rocks are classified as igneous, sedimentary ...20 KB (3,012 words) - 02:25, 16 December 2022
- Sulfuric acid (or sulphuric acid in British English) is a strong mineral acid with the chemical formula H2SO4. It is soluble in water at all ...31 KB (4,778 words) - 21:53, 26 February 2023
- The B vitamins or vitamin B complex are a group of eight, chemically distinct, water-soluble vitamins that were once considered a single vitamin ...10 KB (1,497 words) - 20:40, 3 May 2023
- Cement, in the most general sense of the word, is a binder, a substance that sets and hardens independently, and can bind other materials together ...23 KB (3,479 words) - 23:48, 3 December 2023
- Sodium (chemical symbol Na, atomic number 11) is a member of a group of chemical elements known as alkali metals. Silvery in color, it is soft ...21 KB (3,204 words) - 21:54, 30 January 2023
- Foraminifera, abbreviated as forams, are single-celled amoeboid protists comprising the order Foraminiferida (or Foraminifera of supergroup Rhizaria ...14 KB (1,865 words) - 06:19, 1 April 2024
- Progesterone is a steroid hormone in mammals that is involved in the female menstrual cycle, pregnancy (supporting gestation), and embryogenesis ...17 KB (2,310 words) - 08:47, 28 June 2022
- Lysine is an α-amino acid that is present in many proteins, has low available concentration in certain popular agricultural crops, such as wheat ...10 KB (1,432 words) - 04:39, 5 November 2022
- <!-- Submit to get this template or go to :Template:Chembox simple organic. --> {|class="infobox" style="float:right;" ...15 KB (2,091 words) - 02:59, 24 November 2022
- Food chemistry is the study of chemical processes and interactions of the biological and nonbiological components of foods. It overlaps with ...10 KB (1,507 words) - 06:16, 1 April 2024
- An earth lodge is a semi-subterranean building covered partially or completely with earth, best known from the Native American cultures of the ...18 KB (2,809 words) - 17:35, 12 February 2024
- A smoke detector or smoke alarm is a device that detects smoke and issues an alarm to alert nearby people that there is a potential fire. A household ...15 KB (2,419 words) - 14:59, 27 April 2023
- 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
- Sulfur or sulphur (see spelling below) (chemical symbol S, atomic number 16) is a yellow crystalline solid at ordinary temperatures and pressures ...22 KB (3,269 words) - 21:43, 26 February 2023
- Irish elk is the common name for an giant, extinct deer, Megaloceros giganteus, characterized by enormous antlers. This is the largest deer known ...14 KB (2,171 words) - 18:59, 7 February 2023
- <!-- Submit to get this template or go to :Template:Chembox_simple_organic. --> {|class="infobox" width="175" style ...14 KB (1,990 words) - 00:41, 3 May 2023
- Rhenium (chemical symbol Re, atomic number 75) is a silvery-white, lustrous, rare metal. Obtained as a byproduct of molybdenum refinement, it ...10 KB (1,384 words) - 20:01, 8 December 2022
- Chemical bond is the term used to describe the linkages between atoms joined together to form molecules or crystals. Chemical bonds are the result ...25 KB (3,936 words) - 14:39, 5 December 2023
- An explosive material is a material that either is chemically or otherwise energetically unstable or produces a sudden expansion of the material ...41 KB (6,258 words) - 23:56, 24 March 2024
- The gas constant (also known as the molar, universal, or ideal gas constant) is a physical constant that is featured in a number of fundamental ...9 KB (1,458 words) - 04:37, 18 April 2024
- 10 (ten) is a natural number A natural number is any number that is a positive integer, such as 1, 2, 3, 4, and so forth. Often, the number 0 ...13 KB (1,819 words) - 06:26, 13 June 2023
- The Bandiagara Escarpment is a sandstone cliff in the Dogon country of Mali that rises almost 1,640 feet (500 m) above the lower sandy flats ...14 KB (2,194 words) - 03:27, 17 September 2023
- Category:Public number=54 | symbol=Xe | name=xenon | left=iodine | right=cesium | above=Kr | below=Rn | color1=#c0ffff | color2=green ...13 KB (1,905 words) - 14:16, 20 May 2023
- Air pollution is the human introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause harm or discomfort ...34 KB (4,855 words) - 07:00, 16 June 2023
- Silicones (more accurately called polymerized siloxanes or polysiloxanes) are mixed inorganic-organic polymers. Their general chemical formula ...15 KB (2,090 words) - 22:06, 29 January 2023
- Molybdenum (chemical symbol Mo, atomic number 42) is a silvery white, soft metal. It has one of the highest melting points of all pure elements ...14 KB (1,925 words) - 19:51, 9 November 2022
- Fibers (or fibres) form a class of hair-like materials that occur as continuous filaments or in discrete elongated pieces, similar to pieces ...6 KB (832 words) - 15:18, 11 November 2022
- Albert Arnold "Al" Gore, Jr. (born March 31, 1948) was the forty-fifth Vice President of the United States, serving from 1993 to 2001 ...32 KB (4,643 words) - 04:21, 17 June 2023
- 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
- Hydroelectricity is electricity produced by hydropower—that is, the energy of moving water. It is the world's leading form of renewable ...23 KB (3,052 words) - 21:35, 9 February 2024
- Checkers, also called English draughts, American checkers, or straight checkers, is a form of the draughts board game played on an eight-by-eight ...11 KB (1,707 words) - 18:36, 13 February 2024
- Red blood cell, or erythrocyte, is a hemoglobin-containing blood cell in vertebrates that transports oxygen and some carbon dioxide to and from ...16 KB (2,383 words) - 02:30, 8 December 2022
- Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and sustain life. As the existence ...54 KB (8,172 words) - 20:44, 9 April 2023
- An atom (Greek άτομον from ά: non and τομον: divisible) is a submicroscopic structure found in all ordinary matter. Originally the ...13 KB (2,062 words) - 06:25, 21 August 2023
- Nanotechnology is a field of applied science and technology covering a broad range of topics. The main unifying theme is the control of matter ...39 KB (5,416 words) - 02:44, 11 March 2023
- Recombinant DNA is a form of genetically engineered DNA that is created by taking DNA strands from one organism and combining or inserting these ...13 KB (1,928 words) - 21:12, 23 July 2022
- Sodium hydroxide, also known as lye or caustic soda, is a caustic metallic base. Its chemical formula is NaOH. Forming a strongly alkaline solution ...19 KB (2,762 words) - 15:05, 27 April 2023
- Category:Public [[Image:GreenPaintBucketRome.jpg|thumb|right|200px|Dried green paint]] Paint is the general term for a family of products used ...12 KB (1,860 words) - 06:16, 18 November 2022
- Category:Public [[Image:nervoussystem.jpg|thumb|right|200px|Nervous system. Courtesy of 3DScience.com]] As commonly defined, the human body is ...25 KB (3,706 words) - 21:55, 23 December 2020
- Category:Archaeological sites {{Infobox World Heritage Site | WHS = Stonehenge, Avebury and Associated Sites | Image = [[Image:Avebury ...18 KB (2,901 words) - 07:14, 23 August 2023
- Category:Public [[Image:VacuumToCopier.jpg|thumb|right|250px|Plastics have become an indispensable part of our technological society.]] ...34 KB (5,272 words) - 07:59, 24 November 2022
- Svante August Arrhenius (February 19, 1859 – October 2, 1927) was a Swedish chemist and one of the founders of the science of physical chemistry ...15 KB (2,260 words) - 00:32, 27 February 2023
- Water purification is the process of removing contaminants from a raw water source. The goal is to produce water for a specific purpose with ...30 KB (4,619 words) - 23:17, 3 May 2023
- *The nucleus of a carbon-12 atom contains 6 protons and 6 neutrons (all fermions) and is therefore a boson *The atom helium-4 (4He) is made of ...10 KB (1,425 words) - 17:22, 22 December 2022
- Toluene, also known as methylbenzene or phenylmethane, is a clear, water-insoluble liquid with the typical smell of paint thinners, redolent ...10 KB (1,406 words) - 03:55, 1 May 2023
- |- | colspan="6" align="center" | 6Li content may be as low as 3.75% innatural samples. 7Li would thereforehave a content ...16 KB (2,302 words) - 04:29, 29 October 2022
- Praseodymium Praseodymium is frequently misspelled as praseodynium. (chemical symbol Pr, atomic number 59) is a soft silvery metallic element ...12 KB (1,535 words) - 22:14, 30 November 2022
- Cloud seeding, a form of weather modification, is the attempt to change the amount or type of precipitation that falls from clouds, by dispersing ...17 KB (2,393 words) - 22:12, 7 January 2024
- <!-- Submit to get this template or go to :Template:Chembox simple organic. --> {|class="infobox" width="225" style ...18 KB (2,592 words) - 18:31, 2 May 2023
- Category:Public color = lightblue | name = Fungi image = [[Image:Fungus on log.jpg|200px|Orange saprotrophic fungus]]| caption = Orange saprotrophic ...13 KB (1,974 words) - 08:09, 4 December 2023
- Photocopying is a process that makes paper copies of documents and other visual images quickly and cheaply. Most current photocopiers use a technology ...16 KB (2,312 words) - 22:46, 28 March 2023
- Corrosion is the deterioration of a material's essential properties as a result of reactions with its environment. It can be concentrated ...20 KB (3,072 words) - 03:36, 8 January 2024
- A fuel cell is an electrochemical device that converts chemical energy into electricity. It is made up of two electrodes, each coated with a ...40 KB (5,810 words) - 07:10, 15 April 2024
- Natural gas in the broad sense is a gaseous material consisting primarily of methane and deriving from one of three main types of sources: deeply ...25 KB (3,786 words) - 04:20, 11 March 2023
- In physics and cosmology, the anthropic principle encompasses diverse explanations about the structure of the universe that open the question ...36 KB (5,492 words) - 06:15, 31 July 2023
- Vasily Semyonovich Grossman (first name alternatively spelled as Vassily or Vasiliy, Василий Семёнович Гроссман ...10 KB (1,566 words) - 16:18, 14 November 2022
- Materials science is an interdisciplinary field involving the study of different types of materials and the applications of knowledge about these ...17 KB (2,292 words) - 16:49, 7 November 2022
- Valerie June Carter Cash (June 23, 1929 – May 15, 2003) was a singer, songwriter, actress, and comedian. She was a member of the famed pioneer ...8 KB (1,302 words) - 21:16, 4 October 2022
- Blood is a highly specialized, circulating tissue that consists of several types of cells suspended in a fluid medium. Along with the heart ...16 KB (2,426 words) - 18:13, 31 October 2023
- Jericho (Arabic أريحا, ʼArīḥā; Hebrew יְרִיחוֹ, Standard Yəriḥo Tiberian Yərîḫô / Yərîḥô; meaning "fragrant," ...16 KB (2,400 words) - 02:27, 1 August 2022
- Potassium (chemical symbol K, atomic number 19) is a member of a group of chemical elements known as alkali metals. It is a soft metal and is ...18 KB (2,538 words) - 05:52, 30 November 2022
- Category:Public {| class="toccolours" border="1" style="float: right; clear: right; margin: 0 0 1em 1em; border-collapse: ...30 KB (4,607 words) - 06:05, 18 November 2022
- A typewriter is a mechanical, electromechanical, or electronic device with a set of "keys" that, when pressed, lead to the printing ...36 KB (5,574 words) - 00:40, 3 May 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
- Mauna Loa is the largest volcano on earth. It is an active shield volcano, with a volume estimated at approximately 18,000 cubic miles (75,000 km³), ...18 KB (2,821 words) - 16:58, 7 November 2022
- Titanium (chemical symbol Ti, atomic number 22) is a silvery-white, lustrous metal. Light and strong, it is resistant to corrosion, including ...27 KB (3,874 words) - 03:49, 1 May 2023
- A volcano is an opening, or rupture, in the Earth's surface or crust, which allows hot, molten rock, ash, and gases to escape from deep ...32 KB (4,841 words) - 20:59, 3 May 2023
- Bakelite is a material based on a thermosetting phenol formaldehyde resin developed in 1907–1909, by the Belgian-American chemist Leo Baekeland ...6 KB (839 words) - 05:49, 26 August 2023
