Search results for "Hydrogen atom" - New World Encyclopedia

From New World Encyclopedia
  • sulfur, but with a methyl group instead of hydrogen. This methyl group (one carbon and three hydrogen, or CH3) can be activated, and is used in many ...
    11 KB (1,600 words) - 16:26, 9 November 2022
  • family of chemical compounds of silicon, hydrogen, and oxygen) forms the basis ... made of silicon, oxygen, carbon, germanium, and hydrogen. ...
    20 KB (2,980 words) - 22:04, 29 January 2023
  • and resistance-sintering in a vacuum or hydrogen atmosphere. This procedure ... from APR simply by reducing the latter with hydrogen. * Perrhenic acid ...
    10 KB (1,384 words) - 20:01, 8 December 2022
  • Traditional atomism, derived from the word atom, is used in two distinct ... "uncuttable." Whereas the modern atom is indeed divisible, it is ...
    37 KB (5,618 words) - 06:58, 21 August 2023
  • to very short gamma rays smaller than atom nuclei. Frequency is inversely ... As a photon is absorbed by an atom, it excites an electron, elevating ...
    22 KB (3,329 words) - 15:54, 13 February 2024
  • if all four substituents on the central atom are different, the molecule ... center carbon atom. Sighting with the hydrogen atom away from the viewer ...
    24 KB (3,570 words) - 17:06, 10 December 2023
  • in our galaxy is estimated at 1 hydrogen atom/cm3.Wynn-Williams (1992), 38. are small quantities of matter (mostly hydrogen), cosmic dust and cosmic ...
    15 KB (2,209 words) - 19:32, 8 October 2022
  • | Hydrogen (H2) | 4,124 | 24,660 |- | Methane (CH4) | 518.3 | 3,099 |- | Nitrogen (N2) | 296.8 | 1,775 |- | Oxygen (O2) | 259.8 | 1,554 ...
    9 KB (1,458 words) - 04:37, 18 April 2024
  • with the three methyl groups replaced by hydrogen atoms. === Chemical reactions === Camphor can undergo various reactions, some of which are given ...
    11 KB (1,519 words) - 18:58, 25 November 2023
  • quot; which can be viewed as derived from hydrogen persulfide, H2S2. Thus pyrite ... assigns formal oxidation states to each atom, pyrite is probably best described ...
    8 KB (1,190 words) - 21:08, 14 April 2023
  • and a proton form a normal matter hydrogen atom. Although the basic principles ... became a reality in the early 1990s. An atom of antihydrogen is composed ...
    23 KB (3,458 words) - 06:25, 31 July 2023
  • groups. A carboxyl group comprises a carbon atom attached to an oxygen atom ... a mixture of tartaric acid and potassium hydrogen sulfate, or by the hydrolysis ...
    14 KB (1,901 words) - 15:37, 18 June 2015
  • of the electron and the structure of the atom. == Early life == ... and chlorine by substituting chlorine for hydrogen in ethylene. He then took ...
    17 KB (2,503 words) - 16:54, 9 November 2022
  • be handled with care. For instance, hydrogen sulfide is quite toxic, ... to the odor of sulfur compounds such as hydrogen sulfide, which has the smell ...
    22 KB (3,269 words) - 21:43, 26 February 2023
  • engines. It consists of one carbon atom covalently bonded to one oxygen ... dipole moment with its negative end on the carbon atom. ...
    20 KB (2,871 words) - 19:08, 26 November 2023
  • as a result of the nuclear fusion of hydrogen in stars. On Earth, it is ... element in the known universe, after hydrogen, constituting 23 percent ...
    32 KB (4,897 words) - 15:19, 25 January 2023
  • it splits into a molecule of O2 and an atom of oxygen. These processes ... A single chlorine atom could keep on destroying ozone for up to two ...
    30 KB (4,607 words) - 06:05, 18 November 2022
  • hydroxyl group (OH) attached to each carbon atom. To indicate this arrangement ... It could also be used to produce hydrogen gas or citric acid. ...
    17 KB (2,470 words) - 17:43, 23 May 2024
  • succeeded in decomposing water into hydrogen and oxygen by electrolysis ... Daniell invented a primary cell in which hydrogen was eliminated in the generation ...
    56 KB (8,590 words) - 15:53, 13 February 2024
  • component) that contained one less hydrogen atom than the molecule being ... hydrocarbons with 0, 2, 4, 6, and 8 fewer hydrogen atoms (per molecule) than ...
    26 KB (3,781 words) - 04:36, 22 March 2024

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