Search results for "Hydrogen-1" - New World Encyclopedia

From New World Encyclopedia
  • A star is a massive, luminous ball of plasma that is held together by its own gravity. The nearest star to Earth is the Sun, which is the source ...
    80 KB (12,078 words) - 15:50, 27 April 2023
  • Nephron is the basic structural and functional unit of the vertebrate kidney, with numerous such filtering units carrying out nearly all the ...
    14 KB (2,036 words) - 16:20, 11 November 2022
  • 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
  • Methylene blue (or MB) is a basic aniline dye with the molecular formula C16H18N3SCl. At room temperature, it appears as a solid, odorless, dark ...
    13 KB (1,911 words) - 16:28, 9 November 2022
  • Welding is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. It is often done by melting ...
    41 KB (6,376 words) - 23:28, 3 May 2023
  • The International Astronomical Union (IAU) defines "planet" as a celestial body that, within the solar system,[http://www.iau.org/news/press ...
    37 KB (5,416 words) - 07:49, 24 November 2022
  • Gasoline (also called gas, petrol, or petrogasoline) is a petroleum-derived liquid mixture consisting mostly of aliphatic hydrocarbons, enhanced ...
    47 KB (6,891 words) - 04:38, 18 April 2024
  • Rubidium (chemical symbol Rb, atomic number 37) is a soft, silvery-white metallic element of the alkali metal group. Rb-87, a naturally occurring ...
    14 KB (1,892 words) - 20:57, 21 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
  • In particle physics, an elementary particle or fundamental particle is a particle that does not have a substructure, as far as is known; that ...
    18 KB (2,400 words) - 16:06, 13 February 2024
  • 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
  • Niobium or columbium (chemical symbol Nb, atomic number 41) is a rare, soft, gray metal. It was discovered in a variety of columbite (now called ...
    14 KB (1,909 words) - 04:59, 15 November 2022
  • A white dwarf, also called a degenerate dwarf, is a small star composed mostly of electron-degenerate matter. As white dwarfs have mass comparable ...
    72 KB (10,792 words) - 18:14, 4 May 2023
  • An airship or dirigible is a buoyant aircraft that can be steered and propelled through the air. It is classified as an aerostatic craft, to ...
    40 KB (6,108 words) - 07:11, 16 June 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
  • Tellurium (chemical symbol Te, atomic number 52) is a relatively rare chemical element that belongs to the group of metalloids—its chemical ...
    14 KB (1,880 words) - 05:35, 27 February 2023
  • Category:Public [[Image:Weatheringcartoon.jpg|thumb|right|400px|This illustration shows various components of space weathering]] Space weathering ...
    10 KB (1,503 words) - 17:14, 14 October 2022
  • In thermodynamics and molecular chemistry, the enthalpy or heat content (denoted as H, h, or rarely as χ) is a quotient or description of thermodynamic ...
    18 KB (2,941 words) - 18:57, 13 February 2024
  • Strontium (chemical symbol Sr, atomic number 38) is a soft, silvery white metallic element that occurs naturally in the minerals celestite and ...
    14 KB (1,860 words) - 21:04, 26 February 2023
  • Colitis (or colonitis) is inflammation of the colon (or more generally the large intestine). Various types of colitis have been identified, such ...
    11 KB (1,475 words) - 22:31, 7 January 2024
  • A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear ...
    45 KB (6,704 words) - 00:40, 17 November 2022
  • 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
  • John von Neumann (Hungarian Margittai Neumann János Lajos) (December 28, 1903 – February 8, 1957) was a mathematician who made contributions ...
    30 KB (4,433 words) - 00:38, 10 February 2023
  • Pyotr Leonidovich Kapitsa (Russian Пётр Леонидович Капица) (July 9, 1894 – April 8, 1984) was a Russian physicist who discovered ...
    9 KB (1,369 words) - 03:36, 7 December 2022
  • Vitamin C (or ascorbic acid) is a water-soluble vitamin required for a number of metabolic processes in living organisms. As a vitamin, ascorbic ...
    31 KB (4,437 words) - 20:15, 17 April 2023
  • 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
  • Sir James Chadwick, CH (October 20, 1891 – July 24, 1974) was an English physicist and Nobel laureate who is best known for discovering the ...
    12 KB (1,728 words) - 21:08, 20 March 2024
  • An optical fiber (or optical fibre) is a glass or plastic fiber designed to guide light along its length by confining as much light as possible ...
    31 KB (4,772 words) - 00:56, 18 November 2022
  • 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
  • A rocket is a vehicle, missile, or aircraft that obtains thrust by reaction to the ejection of fast-moving fluid from within a rocket engine ...
    39 KB (5,911 words) - 02:27, 16 December 2022
  • Ernest Rutherford, 1st Baron Rutherford of Nelson OM PC FRS (August 30, 1871 - October 19, 1937), widely referred to as Lord Rutherford, was ...
    17 KB (2,514 words) - 19:33, 13 February 2024
  • J. Robert Oppenheimer The meaning of the "J" in J. Robert Oppenheimer has been the source of confusion among many. Historians Alice ...
    58 KB (8,808 words) - 01:10, 8 February 2023
  • Silk is a fine, soft and yet strong proteinaceous fiber that is naturally produced by certain arthropods, and with some forms, particularly that ...
    35 KB (5,365 words) - 20:11, 21 April 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
  • Auxins are a class of naturally occuring or synthetic organic (carbon-containing) plant growth substances (often called phytohormones or plant ...
    15 KB (2,169 words) - 05:59, 10 January 2023
  • Mercury, also called quicksilver (chemical symbol Hg, atomic number 80), is a chemical element and transition metal that at room temperature ...
    41 KB (5,903 words) - 16:12, 9 November 2022
  • 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
  • Microelectromechanical Systems (MEMS) are microscale devices and systems that integrate electronic components with mechanical ones. They are ...
    14 KB (2,096 words) - 10:39, 10 March 2023
  • Viscosity is a measure of the resistance of a fluid to deform under either shear stress or extensional stress. It is commonly perceived as ...
    36 KB (5,462 words) - 20:38, 3 May 2023
  • Renewable energy is a term for any useable energy that is harnessed from natural resources that are either essentially inexhaustible (such as ...
    57 KB (8,258 words) - 20:49, 29 April 2020
  • Uranium (chemical symbol U, atomic number 92) is a silvery metallic chemical element in the actinide series of the periodic table. The heaviest ...
    48 KB (6,867 words) - 15:33, 16 January 2024
  • 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
  • Salt is a mineral, composed primarily of sodium chloride, which is commonly eaten by humans. There are different forms of salt: unrefined salt ...
    36 KB (5,357 words) - 01:13, 21 April 2023
  • Aluminum (or aluminium) (chemical symbol Al, atomic number is 13) is a soft, lightweight metal with a silvery appearance and the ability to resist ...
    38 KB (5,676 words) - 08:41, 23 July 2023
  • Fritz Haber (December 9, 1868 – January 29, 1934) was a German chemist who received the Nobel Prize in Chemistry in 1918 for developing a method ...
    12 KB (1,882 words) - 07:04, 15 April 2024
  • Sphagnum is the common name and genus name for a group of mosses (Division Bryophyta) whose leaf-like appendages are adapted to absorb and retain ...
    14 KB (2,165 words) - 15:20, 27 April 2023
  • Phosphorus (chemical symbol P, atomic number 15) is a multivalent nonmetal that belongs to the nitrogen group of chemical elements. Given its ...
    25 KB (3,622 words) - 22:45, 28 March 2023
  • The Black Sea is an inland sea between southeastern Europe and the Anatolian peninsula (Turkey) and is ultimately connected to the Atlantic Ocean ...
    25 KB (3,749 words) - 18:07, 31 October 2023
  • Tanning is the process by which raw animal skins and hides are converted into leather. This process permanently alters the protein structure ...
    11 KB (1,861 words) - 04:26, 27 February 2023
  • Saccharin is a synthetic organic compound that tastes hundreds of times sweeter than cane sugar (sucrose) and is used as a calorie-free sweetener ...
    13 KB (1,943 words) - 00:18, 22 August 2022
  • Electrostatics is a branch of science that involves the investigation of phenomena related to what appear to be stationary electric charges. ...
    18 KB (2,558 words) - 16:05, 13 February 2024
  • Category:Politics and social sciences Category:Anthropology [[Image:crematorium.arp.jpg|thumb|right|250px|The crematorium at Haycombe Cemetery ...
    24 KB (3,818 words) - 00:19, 15 January 2023
  • Electromagnetic radiation (EM radiation or EMR) takes the form of self-propagating waves in a vacuum or in matter. EM radiation has both electric ...
    22 KB (3,329 words) - 15:54, 13 February 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
  • 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
  • An automobile (or motor car) is a wheeled passenger vehicle that carries its own motor. Most definitions of the term specify that automobiles ...
    30 KB (4,553 words) - 07:06, 23 August 2023
  • Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than soft X-rays. The name ...
    28 KB (4,293 words) - 11:30, 18 April 2023
  • A dye can generally be described as a colored substance that has a chemical affinity to the substrate to which it is being applied. The dye is ...
    13 KB (2,067 words) - 17:25, 12 February 2024
  • 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
  • Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living ...
    74 KB (10,725 words) - 07:36, 12 January 2024
  • 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
  • Celsius (or centigrade) is a temperature scale named after the Swedish astronomer Anders Celsius (1701–1744), who first proposed such a system ...
    23 KB (3,406 words) - 23:47, 3 December 2023
  • 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
  • The electromagnetic (EM) spectrum is the range of all possible electromagnetic radiation. The "electromagnetic spectrum" (or just spectrum ...
    16 KB (2,367 words) - 15:55, 13 February 2024
  • 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
  • Category:Media Professionals Sarnoff, David David Sarnoff (February 27, 1891 – December 12, 1971) led the Radio Corporation of America (RCA ...
    14 KB (2,103 words) - 08:08, 28 January 2024
  • 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
  • A laser (an acronym for Light Amplification by Stimulated Emission of Radiation) is an electronic-optical device that emits coherent radiation ...
    41 KB (6,333 words) - 06:55, 4 March 2023
  • Zeolites are an extremely useful group of minerals characterized by a microporous structure—that is, a structure with minute pores. Chemically ...
    15 KB (2,158 words) - 05:51, 13 June 2023
  • Category:Public number=30 | symbol=Zn | name=zinc | left=copper | right=gallium | above=- | below=Cd | color1= | color2=black transition metals ...
    18 KB (2,716 words) - 06:07, 13 June 2023
  • Antimony (chemical symbol Sb, atomic number 51) is a metalloid with four allotropic forms. The stable form of antimony is a blue-white metal ...
    17 KB (2,369 words) - 06:33, 31 July 2023
  • In modern physics, the photon is the elementary particle responsible for electromagnetic phenomena. It is the carrier of electromagnetic radiation ...
    34 KB (4,943 words) - 20:26, 27 September 2023
  • The Big Bang is the cosmological model of the universe whose primary assertion is that the universe has expanded into its current state from ...
    58 KB (8,668 words) - 03:46, 1 October 2023
  • Mercury is the innermost and smallest planet in the solar system, orbiting the Sun once every 88 days. Its brightness ranges from about -2.0 ...
    35 KB (5,451 words) - 16:12, 9 November 2022
  • A magnetosphere is a dynamically varying tear-drop shaped region of plasma comprising magnetic fields and charged particles surrounding a magnetized ...
    23 KB (3,695 words) - 05:21, 5 November 2022
  • Dmitri Mendeleev or Dmitriy Ivanovich Mendeleyev (birth unknown – death, 1907) was a Russian chemist. He is credited as being the primary creator ...
    13 KB (1,999 words) - 16:30, 29 January 2024
  • The Chandrasekhar limit limits the mass of bodies made from electron-degenerate matter, a dense form of matter which consists of atomic nuclei ...
    23 KB (3,300 words) - 01:16, 4 December 2023
  • Astrophysics is the branch of astronomy that deals with the physics of the universe. It involves studies of the physical properties (luminosity ...
    14 KB (1,947 words) - 18:28, 19 August 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
  • Nuclear power is a type of nuclear technology involving the controlled use of nuclear reactions to release energy for work, including propulsion ...
    49 KB (7,262 words) - 10:10, 11 March 2023
  • A binary star is a star system consisting of two stars orbiting around their center of mass. For each member of a pair, the other is called its ...
    43 KB (6,669 words) - 17:43, 31 October 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
  • 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
  • A submarine is a specialized watercraft that can operate underwater at very high pressures beyond the range of unaided human survivability. Submarines ...
    65 KB (10,100 words) - 13:44, 28 April 2023
  • Vitamin E is the generic descriptor for any of a group of several related fat-soluble organic compounds, tocopherols and tocotrienols, that act ...
    53 KB (7,528 words) - 20:41, 3 May 2023
  • Coenzyme is any of a diverse group of small organic, non-protein, freely diffusing molecules that are loosely associated with and essential for ...
    22 KB (2,903 words) - 07:19, 6 June 2023
  • Category:Politics and social sciences Category:Psychology Category:Psychologists Morgan, C. Lloyd [[File:C. Lloyd Morgan. Photogravure by Synnberg ...
    18 KB (2,586 words) - 21:54, 12 February 2024
  • The development of the periodic table of the elements parallels the development of science and our understanding of the physical universe. It ...
    15 KB (2,217 words) - 15:59, 25 January 2023
  • 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
  • Choline is a water-soluble organic compound that is classified as an essential nutrient for humans (Higdon and Drake 2008; PDR 2008; Swan and ...
    15 KB (2,128 words) - 23:57, 13 January 2023
  • A flagellum (plural, flagella) is a long, whip-like projection or appendage of a cell composed of microtubules (long, slender, protein tubes ...
    15 KB (2,271 words) - 17:34, 28 March 2024
  • 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
  • A vacuum is a volume of space that is essentially empty of matter, so that gaseous pressure is much less than standard atmospheric pressure. ...
    37 KB (5,624 words) - 20:38, 21 April 2020
  • Silver (chemical symbol Ag, atomic number 47) is a soft metal with a brilliant white luster that can take a high degree of polish. Along with ...
    20 KB (2,849 words) - 22:08, 29 January 2023
  • An airline provides air transport services for passengers or freight. Airlines lease or own their aircraft with which to supply these services ...
    33 KB (4,986 words) - 07:02, 16 June 2023
  • 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
  • Karst topography is a three-dimensional landscape shaped by the dissolution of a soluble layer or layers of bedrock, usually carbonate rock such ...
    14 KB (1,944 words) - 20:16, 28 February 2023
  • The Crab Nebula (catalog designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. Located ...
    23 KB (3,450 words) - 06:15, 11 January 2024
  • The solar wind is a stream of charged particles — a plasma — ejected from the upper atmosphere of the Sun. It consists mostly of electrons ...
    23 KB (3,443 words) - 00:46, 4 February 2023
  • A fixed-wing aircraft, commonly called an airplane or aeroplane, (from the Greek: aéros- "air" and -planos "wandering") ...
    20 KB (3,021 words) - 07:09, 16 June 2023

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