Search results for "Hydrogen atom" - New World Encyclopedia

From New World Encyclopedia
  • principle (e.g. the electron orbiting a hydrogen atom has the probability, albeit small, that it could be anywhere else in the universe at any ...
    18 KB (2,400 words) - 16:06, 13 February 2024
  • Ammonia is a chemical compound of nitrogen and hydrogen, with the ... of nitrous acid and nitrites with hydrogen. Additionally, it was produced ...
    39 KB (5,803 words) - 07:35, 25 July 2023
  • a complex chemical process in which hydrogen is used to reduce ammonium ... are versatile catalysts. For instance, hydrogen sulfide (H2S) can be split ...
    13 KB (1,814 words) - 18:24, 22 December 2022
  • structure stabilized by numerous hydrogen bonds. Tropocollagen subunits ... side group than glycine’s single hydrogen atom. For the same reason ...
    18 KB (2,575 words) - 22:32, 7 January 2024
  • Radioactive decay results in an atom of one type, called the parent ... the universe began as a mixture of hydrogen-1 (75 percent) and helium ...
    30 KB (4,559 words) - 22:46, 7 December 2022
  • a low density of particles, predominantly hydrogen plasma, as well as electromagnetic ... the Universe as the equivalent of one hydrogen atom per cubic meter ...
    19 KB (2,762 words) - 05:59, 18 November 2022
  • Boyle had unknowingly prepared both hydrogen and nitric oxide gases as ... example of gas in chemical warfare is hydrogen cyanide (HCN), infamously ...
    20 KB (3,107 words) - 04:37, 18 April 2024
  • to be made mostly of ice—that is, hydrogen compounds. ... first effective working model of the hydrogen atom resembled a simplified ...
    60 KB (9,448 words) - 15:09, 27 April 2023
  • with species other than oxygen as the hydrogen abstractor) are involved ... molecule into a methyl radical and a hydrogen atom. When two methyl radicals ...
    16 KB (2,309 words) - 01:40, 19 March 2022
  • which is positively charged), together forming a hydrogen atom, is about 40 orders of magnitude stronger than the gravitational force acting between them. ...
    18 KB (2,558 words) - 16:05, 13 February 2024
  • enough energy to actually split a heavier atom into two light element fragments ... developing Bohr's theory of the hydrogen atom. If this sounds like ...
    25 KB (3,781 words) - 18:56, 13 February 2024
  • | Hydrogen peroxide || 128 aq–60(−30–25 °C) |- | Hydrocyanic acid || 158.0–2.3(0–21 °C) |- | Titanium dioxide || 86–173 ...
    14 KB (1,888 words) - 14:27, 29 January 2024
  • molecule generally contains carbon, hydrogen, and oxygen, usually in ... conditions). The third is a simple hydrogen atom. The fourth is commonly ...
    24 KB (3,603 words) - 23:47, 11 January 2023
  • made up of chemical elements other than hydrogen and helium—is 13 time ... small rocky core, surrounded by metallic hydrogen, with further layers of ...
    33 KB (5,055 words) - 06:44, 28 February 2023
  • with chlorine and oxygen and displaces hydrogen from dilute acids. It is ... it releases severely irritating fumes of hydrogen chloride. It forms a white ...
    16 KB (2,335 words) - 23:38, 30 April 2023
  • with the replacement of chlorine with hydrogen on the biphenyl skeleton ... the resulting aryl radical extracts a hydrogen atom from the solvent, or ...
    24 KB (3,627 words) - 08:41, 24 November 2022
  • the neutron to explain for isotopes of hydrogen. This particle was believed ... * Atom * Enrico Fermi * Ernest Rutherford * Manhattan Project ...
    12 KB (1,728 words) - 21:08, 20 March 2024
  • Each molecule of water consists of two hydrogen atoms covalently bonded ... partial positive charge (δ+) near each hydrogen atom. Thus the entire molecule ...
    56 KB (8,647 words) - 23:15, 3 May 2023
  • process, including the removal of smell (hydrogen sulfide remediation), taste ... quot; of oxygen which readily gives up one atom of oxygen providing a powerful ...
    30 KB (4,619 words) - 23:17, 3 May 2023
  • The hydrogen (H) atom in the carboxyl group (−COOH) in carboxylic ... shows that the molecules pair up into dimers connected by hydrogen ...
    35 KB (5,135 words) - 07:33, 14 June 2023
  • is likely to undergo nuclear fission. The atom splits into two or more smaller ... experimental technology, generally with hydrogen as fuel. While not currently ...
    45 KB (6,704 words) - 00:40, 17 November 2022
  • ==Mass-energy equivalence: Sunlight and atom bombs== energy. This is the basic principle behind atom bombs and production of energy ...
    42 KB (6,653 words) - 19:12, 7 February 2023
  • derivatives of fullerenes. For example, hydrogen atoms, halogen atoms, or ... and twelve pentagons, with a carbon atom at the vertices of each polygon ...
    28 KB (4,196 words) - 07:18, 15 April 2024
  • core at the center, a liquid metallic hydrogen layer above that, and a ... onto the rings, it would be on the order of one atom thick. ...
    26 KB (3,935 words) - 17:00, 23 December 2022
  • It has a permanent dipole moment (the O atom end is electron rich, and ... in the atmosphere and is split into hydrogen and oxygen by ultraviolet ...
    23 KB (3,592 words) - 23:26, 17 February 2023
  • further, which included oxygen, nitrogen, hydrogen, phosphorus, mercury, zinc ... the mass and all the positive charge of the atom resided. The nuclear charge ...
    15 KB (2,217 words) - 15:59, 25 January 2023
  • by their experiments that a group of carbon, hydrogen, and oxygen atoms called the "benzoyl" radical can behave like an element, take ...
    14 KB (2,077 words) - 10:37, 17 October 2022
  • groups that contain a basic nitrogen atom with a lone pair.) Choline ... methyl groups (a carbon attached to three hydrogen atoms) for methylation reactions ...
    15 KB (2,128 words) - 23:57, 13 January 2023
  • mechanical analyses of bonding in the hydrogen molecule, done by Walter ... orbitals and analyzed the tetravalency of the carbon atom. ...
    44 KB (6,490 words) - 04:18, 29 October 2022
  • mantle), rutile (titanium dioxide), and ice (hydrogen oxide). The oxide class includes the hydroxide minerals. === Sulfide class === ...
    16 KB (2,351 words) - 18:48, 9 November 2022
  • estimated to be equivalent to about one hydrogen atom per cubic meter of space ... seen with radio frequency observations of hydrogen. Based on rotation profiles ...
    31 KB (4,554 words) - 22:23, 25 January 2024
  • matter, as in the Bohr model of the hydrogen atom (shown here). Although ... agreed excellently with the spectrum of hydrogen, but not with those of other ...
    34 KB (4,943 words) - 20:26, 27 September 2023
  • in the understanding of the physics of the atom occurred which resulted both ... Ernest Walton were first to "split the atom" (cause a nuclear reaction ...
    52 KB (8,009 words) - 11:05, 9 March 2023
  • aluminum is heated at 1500 °C in an atmosphere of hydrogen. ... from trimethylaluminum and an excess of hydrogen. It burns explosively in ...
    38 KB (5,676 words) - 08:41, 23 July 2023
  • interstellar space, where there are a few hydrogen atoms per cubic centimeter ... can ever have an exact position. Each atom exists as a probability function ...
    37 KB (5,624 words) - 20:38, 21 April 2020
  • weapon based on nuclear fusion—the hydrogen bomb—Oppenheimer initially ... known as the Teller-Ulam design for a hydrogen bomb. This new design seemed ...
    58 KB (8,808 words) - 01:10, 8 February 2023
  • Graphene is a one-atom-thick planar sheet of carbon atoms that are ... One can then hope to fool Nature and extract single-atom-thick crystallites ...
    43 KB (6,272 words) - 12:18, 24 January 2023
  • crystal structure of sodium chloride. Each atom has six nearest neighbors ... chlorine, this chloralkali process yields hydrogen gas and sodium hydroxide ...
    16 KB (2,377 words) - 15:04, 27 April 2023
  • of the stars in our Galaxy. After the hydrogen-fusing lifetime of a main ... regions occupied by electrons bound to an atom—would normally allow. Eddington ...
    72 KB (10,792 words) - 18:14, 4 May 2023
  • found apparent stimulated emission in hydrogen spectra and made the first ... of atoms in a coherent state can be called an atom laser. ...
    41 KB (6,333 words) - 06:55, 4 March 2023
  • bullet was developed to shoot at hydrogen-filled Zeppelins over Britain ... membered rings that are interlinked. Each atom is bonded to three other atoms ...
    25 KB (3,622 words) - 22:45, 28 March 2023
  • gas of average density less than one atom per cubic meter. Most galaxies ... of 21 cm resulting from interstellar atomic hydrogen gas; ...
    57 KB (8,514 words) - 03:49, 18 April 2024
  • ** Hydrogen fuel ** Lightening ** Nuclear energy ==Solar== ... from carbon monoxide, carbon dioxide, and hydrogen. However, methanol also ...
    73 KB (10,796 words) - 08:37, 23 July 2023
  • to air. It reacts with water, displacing hydrogen and forming calcium hydroxide ... In terms of the electronic configuration of each neutral atom, the ...
    18 KB (2,626 words) - 18:21, 25 November 2023
  • was the high-volume production of hydrogen gas. He also held several ... sink for chlorofluoromethanes: chlorine atom-catalysed destruction of ozone ...
    28 KB (4,251 words) - 19:11, 16 April 2023
  • contaminants, in particular thiols and hydrogen sulfide, must be removed ... is higher than for gasoline (higher hydrogen to carbon ratio). The weight ...
    47 KB (6,891 words) - 04:38, 18 April 2024
  • it reacts with dilute acids to release hydrogen. The one common oxidation ... element is "an element whose atom has an incomplete d sub-shell ...
    18 KB (2,716 words) - 06:07, 13 June 2023
  • (electrons on the outermost shell of an atom) of matter, while wavelengths ... sunlight and artificial light. A burning hydrogen flame, for instance, radiates ...
    28 KB (4,293 words) - 11:30, 18 April 2023
  • first cooled sufficiently to form neutral hydrogen, allowing space to become ... universe began as a simple "primeval atom," perhaps echoing previous ...
    58 KB (8,668 words) - 03:46, 1 October 2023
  • |Tetrahydrobiopterin Thony et al. (2000). || Oxygen atom and electrons ... * Warburg, O., and W. Christian. 1936. Pyridin, the hydrogen-transferring ...
    22 KB (2,903 words) - 07:19, 6 June 2023
  • weight per electron, mH is the mass of the hydrogen atom, and ω30≈2.018236 is a constant connected with the solution to the Lane-Emden equation. ...
    23 KB (3,300 words) - 01:16, 4 December 2023
  • space. Almost all elements heavier than hydrogen and helium were created ... cloud of material composed primarily of hydrogen, along with helium and trace ...
    80 KB (12,078 words) - 15:50, 27 April 2023
  • less abstract and is the way the atom is viewed these days. Both ... the discovery of the allotropic forms of hydrogen" . ...
    22 KB (3,234 words) - 17:14, 4 May 2023
  • of neutrons released by a fissioning atom of uranium-235 must impact ... for that state. Ions of U3+liberate hydrogen from water and are therefore ...
    48 KB (6,867 words) - 15:33, 16 January 2024
  • png|thumb|left|200px|The first few hydrogen atom electron orbitals shown ... Water is a stable chemical substance that is composed of one oxygen ...
    63 KB (9,360 words) - 04:22, 11 March 2023
  • # As a byproduct in ammonia and hydrogen plants, where methane is ... of water molecules, while the hydrogen is split into its protons ...
    34 KB (5,140 words) - 19:07, 26 November 2023
  • in nature. In fact, 244Pu is the heaviest atom naturally occurring in traces ... compared to another method: when a U-235 atom captures a neutron, it is ...
    37 KB (5,382 words) - 08:10, 24 November 2022
  • The DNA double helix is stabilized by hydrogen bonds between the bases ... At top, a GC base pair with three hydrogen bonds. At the bottom, AT ...
    74 KB (10,725 words) - 07:36, 12 January 2024
  • that were key to development of both the Atom and Hydrogen bombs, and finally to his work developing computers. Von Neumann's work culminated ...
    30 KB (4,403 words) - 04:08, 18 April 2024
  • with a hydroxyl group that can donate a hydrogen atom to reduce free radicals ... three stereocenters were changed (so the hydrogen was now pointing down and ...
    53 KB (7,528 words) - 20:41, 3 May 2023
  • is more free to move and is not bound to an atom or molecule. ... fountain" shows oxygen, helium, and hydrogen ions gushing into space ...
    35 KB (5,311 words) - 07:58, 24 November 2022
  • career: Studying the diffusion of hydrogen through heated platinum. He soon transferred to theoretical physics. In 1877, he went to Berlin for ...
    30 KB (4,449 words) - 00:57, 9 November 2022
  • can be conceptualized by wrapping a one-atom-thick layer of graphite called ... of oxides solid solutions in methane and hydrogen. ===Fullerite=== ...
    62 KB (8,806 words) - 19:09, 26 November 2023
  • Meanwhile, Kennan opposed the building of the hydrogen bomb, and the ... * Russia, the Atom, and the West (1958) * Russia and the West under ...
    39 KB (5,908 words) - 17:04, 10 April 2023
  • energy and once again become bound to an atom within the solar cell without ... enhanced (PE-CVD)) from silane gas and hydrogen gas. Depending on the deposition ...
    90 KB (13,568 words) - 15:08, 27 April 2023

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