• Thumbnail for Samarium
    Samarium is a chemical element; it has symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air. Being a typical...
    71 KB (8,156 words) - 09:10, 19 April 2024
  • Naturally occurring samarium (62Sm) is composed of five stable isotopes, 144Sm, 149Sm, 150Sm, 152Sm and 154Sm, and two extremely long-lived radioisotopes...
    23 KB (1,729 words) - 18:32, 14 April 2024
  • A samarium–cobalt (SmCo) magnet, a type of rare-earth magnet, is a strong permanent magnet made of two basic elements: samarium and cobalt. They were...
    14 KB (1,590 words) - 19:26, 4 October 2023
  • Samarium chloride may refer to: Samarium(III) chloride (samarium trichloride), SmCl3 Samarium dichloride (samarium(II) chloride), SmCl2 This set index...
    490 bytes (51 words) - 05:18, 9 March 2015
  • Samarium-147 (147Sm or Sm-147) is an isotope of samarium, making up 15% of natural samarium. It is an extremely long-lived radioisotope, with a half-life...
    5 KB (457 words) - 10:41, 18 August 2023
  • Thumbnail for Samarium(II) iodide
    Samarium(II) iodide is an inorganic compound with the formula SmI2. When employed as a solution for organic synthesis, it is known as Kagan's reagent....
    10 KB (927 words) - 13:04, 12 March 2024
  • Samarium fluoride may refer to: Samarium(III) fluoride (samarium trifluoride), SmF3 Samarium(II) fluoride (samarium difluoride), SmF2 This set index article...
    488 bytes (51 words) - 05:18, 9 March 2015
  • Thumbnail for Reductions with samarium(II) iodide
    Reductions with samarium(II) iodide involve the conversion of various classes of organic compounds into reduced products through the action of samarium(II) iodide...
    17 KB (1,965 words) - 16:43, 12 December 2023
  • Samarium bromide may refer to: Samarium(II) bromide (samarium dibromide), SmBr2 Samarium(III) bromide (samarium tribromide), SmBr3 This set index article...
    485 bytes (51 words) - 14:50, 1 January 2023
  • Samarium pentaphosphide is a binary inorganic compound of samarium metal and phosphorus with the chemical formula SmP5. Samarium pentaphosphide can be...
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  • Samarium iodide may refer to: samarium(II) iodide (samarium diiodide), SmI2 samarium(III) iodide (samarium triiodide), SmI3 This set index article lists...
    478 bytes (51 words) - 15:59, 31 December 2022
  • Thumbnail for Promethium
    properties intermediate between those of the known elements neodymium (60) and samarium (62); this was confirmed in 1914 by Henry Moseley, who, having measured...
    39 KB (4,703 words) - 03:03, 26 April 2024
  • Thumbnail for Samarium(III) chloride
    Samarium(III) chloride, also known as samarium trichloride, is an inorganic compound of samarium and chloride. It is a pale yellow salt that rapidly absorbs...
    6 KB (482 words) - 11:28, 3 January 2024
  • Thumbnail for Samarium (153Sm) lexidronam
    Samarium (153Sm) lexidronam (chemical name Samarium-153-ethylene diamine tetramethylene phosphonate, abbreviated Samarium-153 EDTMP, trade name Quadramet)...
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  • Thumbnail for Samarium(III) oxide
    Samarium(III) oxide (Sm2O3) is a chemical compound. Samarium oxide readily forms on the surface of samarium metal under humid conditions or temperatures...
    4 KB (271 words) - 19:18, 28 February 2024
  • Samarium(III) nitride is a binary inorganic compound of samarium and nitrogen with the chemical formula SmN. Samarium(III) nitrate can be prepared by...
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  • Thumbnail for Samarium(III) antimonide
    Samarium antimonide is a binary inorganic compound of samarium and antimony with the formula SmSb. It forms crystals. Samarium antimonide can be prepared...
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  • Samarium monochalcogenides are chemical compounds with the composition SmX, where Sm stands for the lanthanide element samarium and X denotes any one...
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  • Thumbnail for Rare-earth magnet
    exhibit fields of 0.5 to 1 tesla. There are two types: neodymium magnets and samarium–cobalt magnets. Rare-earth magnets are extremely brittle and also vulnerable...
    35 KB (3,658 words) - 11:21, 19 April 2024
  • Samarium–neodymium dating is a radiometric dating method useful for determining the ages of rocks and meteorites, based on the alpha decay of the long-lived...
    14 KB (1,869 words) - 05:07, 4 March 2024
  • Thumbnail for Samarium(III) acetate
    Samarium(III) acetate is an acetate salt of samarium, with the chemical formula of Sm(CH3COO)3. It exists in the hydrate and tetrahydrate form. Its tetrahydrate...
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  • Thumbnail for Stable nuclide
    isotopes Samarium-144 (2E) Samarium-146 (A) – probable long-lived primordial radionuclide Samarium-147 (A) – long-lived primordial radionuclide Samarium-148...
    29 KB (3,356 words) - 14:52, 29 February 2024
  • Thumbnail for Samarium(III) phosphate
    Samarium(III) phosphate is an inorganic compound, with the chemical formula of SmPO4. It is one of the phosphates of samarium. Samarium(III) phosphate...
    3 KB (274 words) - 11:28, 3 January 2024
  • 72nd & 73rd, 75th & 76th digits of pi. Sixty-two is the atomic number of samarium, a lanthanide. 62 is the code for international direct dial calls to Indonesia...
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  • Thumbnail for Samarium(III) hydroxide
    Samarium(III) hydroxide is an inorganic compound with chemical formula Sm(OH)3. Samarium(III) hydroxide can react with acid and produce samarium salts:...
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  • Thumbnail for Hexamethylphosphoramide
    reagent for HMPA in reductions with samarium diiodide and as a Lewis base additive to many reactions involving samarium ketyls. HMPA is only mildly toxic...
    9 KB (780 words) - 08:52, 28 March 2024
  • Thumbnail for Samarium(II) chloride
    Reduction of samarium(III) chloride with samarium metal in a vacuum at a temperature of 800 °C to 900 °C, or with hydrogen gas at 350 °C yields samarium(II) chloride:...
    3 KB (201 words) - 11:25, 3 January 2024
  • Thumbnail for Cubic crystal system
    bismuthide Promethium ? ? ? ? ? Samarium Samarium nitride Samarium phosphide Samarium arsenide Samarium antimonide Samarium bismuthide Europium Europium...
    49 KB (3,620 words) - 05:36, 18 April 2024
  • Thumbnail for Paul-Émile Lecoq de Boisbaudran
    French chemist known for his discoveries of the chemical elements gallium, samarium and dysprosium. He developed methods for separation and purification of...
    18 KB (1,959 words) - 12:37, 15 December 2023
  • Samarium compounds are compounds formed by the lanthanide metal samarium (Sm). In these compounds, samarium generally exhibits the +3 oxidation state...
    26 KB (2,476 words) - 15:24, 17 April 2024