Search results for "History of chemistry" - New World Encyclopedia

From New World Encyclopedia
  • Organic chemistry is the scientific study of the structures, properties ... Organic compounds are primarily composed of carbon and hydrogen, and ...
    8 KB (1,161 words) - 01:13, 18 November 2022
  • Atmospheric chemistry involves study of the chemistry of the atmospheres ... Earth's atmosphere is composed of about 78 percent nitrogen, ...
    11 KB (1,481 words) - 06:25, 21 August 2023
  • German chemist who ushered in the age of biochemistry by clarifying ... * Von Meyer, Ernst. [1906] 2007. A History of Chemistry. tr. George ...
    7 KB (1,041 words) - 23:02, 22 June 2023
  • Silica gel is a granular, porous form of silica, produced synthetically ... fungicides, or pesticides), packets of silica gel usually bear warnings ...
    7 KB (1,044 words) - 22:03, 29 January 2023
  • stable isotope is 262Lr, with a half-life of approximately four hours. It ... The origin of the name, preferred by the American Chemical Society ...
    6 KB (798 words) - 17:58, 25 October 2022
  • Food chemistry is the study of chemical processes and interactions ... ==Brief history of food chemistry== The history of food chemistry dates ...
    10 KB (1,547 words) - 09:57, 5 September 2022
  • * Partington, J. R. 1964. A History of Chemistry, vol. 4. New York: ... * Von Meyer, Ernst. 1906. A History of Chemistry, translated by George ...
    9 KB (1,376 words) - 06:04, 15 June 2023
  • 250px|Experimental work in progress in a chemistry laboratory.]] ... chemistry, geochemistry, history of chemistry, materials science ...
    20 KB (2,886 words) - 14:48, 5 December 2023
  • made the first comprehensive analysis of the principles, by which he ... analysis itself. Critical self-analysis of its own procedures, methodologies ...
    9 KB (1,192 words) - 22:57, 30 November 2022
  • Surface science is the study of physical and chemical phenomena that ... addition, it is important for the production of semiconductor devices, fuel ...
    13 KB (1,826 words) - 23:53, 26 February 2023
  • Thulium (chemical symbol Tm, atomic number 69) is the least abundant ... techniques have led to easier separation of the rare earths, which has ...
    9 KB (1,135 words) - 23:14, 30 April 2023
  • than sugar, making it the least potent of the commercially available ... its aftertaste is generally less than that of saccharin or acesulfame potassium ...
    7 KB (974 words) - 06:52, 12 January 2024
  • occurring chemical element. It is a member of the halogen family of elements ... The total amount of astatine in the Earth's crust has been estimated ...
    6 KB (808 words) - 05:08, 18 August 2023
  • as radium and is therefore a valuable source of neutrons. Its isotope 225Ac ... milligram amounts by the neutron irradiation of 226Ra in a nuclear reactor ...
    7 KB (911 words) - 05:39, 15 June 2023
  • Supramolecular chemistry refers to an area of chemistry that specializes ... contrast, researchers in supramolecular chemistry examine the weaker and ...
    20 KB (2,678 words) - 17:36, 23 October 2022
  • Nd,Y)PO4, which contains up to 0.03 percent of terbium), xenotime (YPO4) and ... == History == Terbium was discovered in 1843 by Swedish chemist Carl ...
    9 KB (1,141 words) - 03:47, 30 April 2023
  • Europium (chemical symbol Eu, atomic number 63) is the most reactive ... has also been identified in the spectra of the Sun and certain stars. ...
    10 KB (1,254 words) - 04:34, 23 March 2024
  • Boyle's law (sometimes called the Boyle-Mariotte law) is one ... == Statement of Boyle's law == Boyle's law can be stated ...
    8 KB (1,241 words) - 14:53, 28 April 2020
  • quot; that would lead to the development of nutrition as a science. His ... before earning a doctorate in organic chemistry at the University of Gottingen ...
    8 KB (1,193 words) - 20:03, 9 February 2023
  • and thorium ores. Although many isotopes of this element have been produced ... == History == This element, which was named for France, was the last ...
    6 KB (795 words) - 06:17, 23 January 2023

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