• Thumbnail for Biological aspects of fluorine
    Fluorine may interact with biological systems in the form of fluorine-containing compounds. Though elemental fluorine (F2) is very rare in everyday life...
    55 KB (5,787 words) - 10:05, 5 January 2024
  • Redox (redirect from Biological oxidation)
    and fluorine, hydrogen is being oxidized and fluorine is being reduced: H2 + F2 → 2 HF This reaction is spontaneous and releases 542 kJ per 2 g of hydrogen...
    37 KB (3,583 words) - 17:38, 9 July 2024
  • Thumbnail for Behavioral neuroscience
    also known as biological psychology, biopsychology, or psychobiology, is the application of the principles of biology to the study of physiological,...
    36 KB (4,284 words) - 05:58, 14 July 2024
  • Thumbnail for Bromine
    17 of the periodic table. Its properties are thus similar to those of fluorine, chlorine, and iodine, and tend to be intermediate between those of the...
    67 KB (7,675 words) - 01:28, 16 July 2024
  • Thumbnail for Silicon
    oxide layer nevertheless does not prevent reaction with the halogens; fluorine attacks silicon vigorously at room temperature, chlorine does so at about...
    85 KB (10,628 words) - 10:20, 15 July 2024
  • of other aspects of each organism. The noble gases helium, neon, argon, krypton, xenon are nonreactive and have no known direct biological role — albeit...
    56 KB (3,311 words) - 12:28, 5 February 2024
  • Thumbnail for Tungsten
    trioxide compound tungsten(VI), WO3. It will, however, react directly with fluorine (F2) at room temperature to form tungsten(VI) fluoride (WF6), a colorless...
    80 KB (9,050 words) - 04:15, 4 July 2024
  • substances (PFAS or PFASs) are a group of synthetic organofluorine chemical compounds that have multiple fluorine atoms attached to an alkyl chain; there...
    153 KB (15,620 words) - 11:48, 16 July 2024
  • provided the transformation can undergo this type of conformational control in the transition state. Fluorine directed glycosylations represent an encouraging...
    18 KB (2,047 words) - 13:45, 13 March 2024
  • Thumbnail for Nitrogen
    covalent radius of 71 pm is smaller than those of boron (84 pm) and carbon (76 pm), while it is larger than those of oxygen (66 pm) and fluorine (57 pm). The...
    105 KB (12,215 words) - 21:54, 14 June 2024
  • Thumbnail for Cobalt
    fluorination reactions, reacts vigorously with water. The inventory of complexes is very large. Starting with higher oxidation states, complexes of Co(IV)...
    95 KB (10,270 words) - 04:35, 12 July 2024
  • Thumbnail for Nickel
    ISBN 0-13-841891-8. Court, T. L.; Dove, M. F. A. (1973). "Fluorine compounds of nickel(III)". Journal of the Chemical Society, Dalton Transactions (19): 1995...
    89 KB (9,740 words) - 09:36, 21 June 2024
  • Thumbnail for Copper
    monosulfide (CuS). Cuprous halides with fluorine, chlorine, bromine, and iodine are known, as are cupric halides with fluorine, chlorine, and bromine. Attempts...
    121 KB (13,746 words) - 08:41, 8 July 2024
  • Thumbnail for Phosphorus
    have half-lives suitable for biological scientific experiments. These are: 32 P, a beta-emitter (1.71 MeV) with a half-life of 14.3 days, which is used routinely...
    106 KB (12,394 words) - 03:27, 15 July 2024
  • Thumbnail for Carbonate–silicate cycle
    Carbonate–silicate cycle (category History of climate variability and change)
    the Earth's thermostat. Aspects of the carbonate-silicate cycle have changed through Earth history as a result of biological evolution and tectonic changes...
    21 KB (2,540 words) - 07:35, 3 June 2024
  • iodine as equivalent halogens, but does not measure fluorine levels in the sample. Utilization of halogen containing materials in processes such as water...
    19 KB (2,408 words) - 06:56, 4 June 2024
  • reactive one. When comparing carbon-halogen bonds, lighter halogens such as fluorine and chlorine have a better orbital overlap with carbon, which makes the...
    7 KB (811 words) - 14:57, 14 April 2024
  • Thumbnail for Mineral (nutrient)
    the same thing as uptake by a biological system. Diverse ions are used by animals and microorganisms for the process of mineralizing structures, called...
    37 KB (3,054 words) - 02:24, 13 July 2024
  • Thumbnail for Terraforming of Mars
    because they generate a greenhouse effect thousands of times stronger than that of CO2. Fluorine-based compounds such as sulphur hexafluoride and perfluorocarbons...
    59 KB (5,817 words) - 20:54, 16 July 2024
  • long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc...
    38 KB (2,713 words) - 07:19, 4 July 2024
  • Thumbnail for Zinc
    humans, the biological roles of zinc are ubiquitous. It interacts with "a wide range of organic ligands", and has roles in the metabolism of RNA and DNA...
    143 KB (16,185 words) - 05:29, 12 July 2024
  • isotope of fluorine is attached to a molecule and is preferably performed by nucleophilic substitution using nitro or halogens as leaving groups. Fluorine-18...
    13 KB (1,503 words) - 17:19, 18 October 2023
  • Thumbnail for Excimer laser
    a combination of a noble gas (argon, krypton, or xenon) and a reactive gas (fluorine or chlorine). Under the appropriate conditions of electrical stimulation...
    21 KB (2,712 words) - 21:00, 16 April 2024
  • Thumbnail for Nonmetal
    General, Organic, and Biological Chemistry, 6th ed., HarperCollinsCollege, ISBN 978-0-673-99054-9 Toon R 2011, "The discovery of fluorine", Education in Chemistry...
    191 KB (17,622 words) - 14:57, 17 July 2024
  • molecular fluorine: 2   C m F 3   +   F 2   ⟶   2   C m F 4 {\displaystyle \mathrm {2\ CmF_{3}\ +\ F_{2}\ \longrightarrow \ 2\ CmF_{4}} } A series of ternary...
    15 KB (1,742 words) - 03:06, 22 March 2024
  • Thumbnail for Heavy water
    Heavy water (category Forms of water)
    used for production of fluorine-18 in radiopharmaceuticals and radiotracers, and positron emission tomography. Small amounts of 17 O and 18 O are naturally...
    84 KB (9,923 words) - 04:40, 7 July 2024
  • Thumbnail for Copper compounds
    [citation needed] Cuprous halides with fluorine, chlorine, bromine, and iodine are known, as are cupric halides with fluorine, chlorine, and bromine. Attempts...
    14 KB (1,500 words) - 02:53, 7 July 2024
  • Thumbnail for Indium
    Indium (redirect from Compounds of indium)
    during the processing of the ores of other metals, chiefly from sphalerite and other zinc sulfide ores. Indium has no biological role and its compounds...
    49 KB (5,732 words) - 02:05, 7 June 2024
  • Thumbnail for Tetrachloroethylene
    corrosive than other chlorinated solvents. It does not tend to polymerise like fluorine analogue tetrafluoroethylene, C2F4. Tetrachloroethylene may react violently...
    25 KB (2,417 words) - 04:54, 30 June 2024
  • Curium (redirect from History of curium)
    molecular fluorine: 2   C m F 3   +   F 2   ⟶   2   C m F 4 {\displaystyle \mathrm {2\ CmF_{3}\ +\ F_{2}\ \longrightarrow \ 2\ CmF_{4}} } A series of ternary...
    66 KB (7,835 words) - 13:23, 10 July 2024