Search results for "Lithium-7" - New World Encyclopedia

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  • 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
  • Robert Wilhelm Eberhard Bunsen (March 31, 1811 - August 16, 1899) was a German chemist who contributed to the development of spectroscopy as ...
    8 KB (1,189 words) - 20:25, 11 August 2022
  • Birefringence, or double refraction, is the splitting of a ray of light into two rays when it passes through certain types of material, such ...
    9 KB (1,136 words) - 17:57, 31 October 2023
  • |- | colspan="6" align="center" | *Boron-10 content may be as low as 19.1% and ashigh as 20.3% in natural samples. Boron-11 ...
    16 KB (2,239 words) - 19:45, 20 November 2023
  • In chemistry, an amide is one of two kinds of compounds: * the organic functional group characterized by a carbonyl group (C=O) linked to a nitrogen ...
    10 KB (1,423 words) - 06:58, 25 July 2023
  • 2 (two) is a number, numeral, and glyph that represents the number. It is the natural number A natural number is any number that is a positive ...
    19 KB (2,775 words) - 06:42, 13 June 2023
  • Scandium (chemical symbol Sc, atomic number 21) is a soft, silvery-white metal. Scandium ore occurs in rare minerals from Scandinavia and elsewhere ...
    12 KB (1,615 words) - 17:06, 25 January 2023
  • An aldehyde is an organic compound containing a terminal carbonyl group. This functional group, called an aldehyde group, consists of a carbon ...
    11 KB (1,651 words) - 05:09, 17 June 2023
  • Category:Public [[Image:plasma fountain.gif|thumb|300px|right|The Earth's "plasma fountain," showing oxygen, helium, and hydrogen ...
    17 KB (2,619 words) - 11:09, 6 March 2024
  • In geography, a desert is a landscape form or region that receives very little precipitation. More specifically, it is defined as an area that ...
    20 KB (3,022 words) - 09:55, 29 January 2024
  • Sodium (chemical symbol Na, atomic number 11) is a member of a group of chemical elements known as alkali metals. Silvery in color, it is soft ...
    21 KB (3,204 words) - 21:54, 30 January 2023
  • Cosmic rays are energetic particles originating from space that impinge on Earth's atmosphere. Almost 90 percent of all the incoming cosmic ...
    37 KB (5,720 words) - 08:13, 10 January 2024
  • Nitrogen (symbol N, atomic number 7) is the chief constituent of the Earth's atmosphere and a vital element in all known forms of life. ...
    22 KB (3,304 words) - 02:26, 16 November 2022
  • Ammonia is a chemical compound of nitrogen and hydrogen, with the formula NH3. It is a gas at standard temperature and pressure In this case, ...
    39 KB (5,803 words) - 07:35, 25 July 2023
  • Piezoelectricity is the ability of some materials (notably crystals and certain ceramics) to generate an electric potential Douglas A. Skoog, ...
    25 KB (3,464 words) - 06:13, 24 November 2022
  • Amines are organic compounds and a type of functional group that contain nitrogen as the key atom. Structurally amines resemble ammonia, wherein ...
    18 KB (2,577 words) - 07:02, 25 July 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
  • 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
  • Panasonic (パナソニック, Panasonikku) is an international brand name for Japanese electric products manufactured by Panasonic Corporation ...
    25 KB (3,633 words) - 11:11, 11 March 2023
  • 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

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