• Thumbnail for Didymium
    Didymium (Greek: δίδυμο, twin) is a mixture of the elements praseodymium and neodymium. It is used in safety glasses for glassblowing and blacksmithing...
    9 KB (1,101 words) - 10:05, 9 November 2024
  • Thumbnail for Didymium (slime mold)
    Didymium is a genus of slime molds in the family Didymiaceae. Didymium aquatilis Didymium difforme Didymium squamulosum Didymium wildpretii Leontyev, Dmitry...
    2 KB (103 words) - 09:28, 9 November 2024
  • Thumbnail for Carl Gustaf Mosander
    lanthanum oxide and a pinkish third component which he called "didymium" meaning "twin". Didymium was accepted as an element for many years, appearing in Dmitri...
    11 KB (1,002 words) - 02:17, 20 September 2024
  • Thumbnail for Praseodymium
    chemist Carl Gustav Mosander extracted a rare-earth oxide residue he called didymium from a residue he called "lanthana", in turn separated from cerium salts...
    37 KB (4,830 words) - 15:05, 16 September 2024
  • Thumbnail for Physarum cinereum
    cinereum (Batsch) Pers. (1794) Synonyms Lycoperdon cinereum Batsch (1783) Didymium cinereum (Batsch) Fr. (1822 (1829) Badhamia cinerea (Batsch) J.Kickx f...
    2 KB (91 words) - 13:39, 15 April 2024
  • Didymium wildpretii is a species of slime mold which feeds on the decaying remains of various species of cacti. It was first described in 2007 and has...
    2 KB (208 words) - 13:41, 15 April 2024
  • Thumbnail for Neodymium
    The metals that formed these oxides were thus named lanthanum and didymium. Didymium was later proven to not be a single element when it was split into...
    60 KB (6,904 words) - 17:22, 8 November 2024
  • Didymium difforme is a species of slime mold belonging to the family Didymiidae. "IRMNG - Didymium difforme (Pers.) Gray, 1821". www.irmng.org. Retrieved...
    582 bytes (29 words) - 13:38, 15 April 2024
  • Thumbnail for Neodymium(III) oxide
    forms very light grayish-blue hexagonal crystals. The rare-earth mixture didymium, previously believed to be an element, partially consists of neodymium(III)...
    7 KB (485 words) - 20:21, 3 January 2024
  • Thumbnail for Photographic filter
    astronomical filters similarly use didymium in heavier concentration. Even astronomical filters which don't use didymium typically are some kind of narrow...
    55 KB (5,599 words) - 19:16, 23 August 2024
  • Thumbnail for Cobalt glass
    expand the ability to see violet and blue hues, similar to didymium glass. However, didymium glasses are superior for this purpose as it absorbs less light...
    10 KB (1,124 words) - 21:48, 24 July 2024
  • Thumbnail for Henry Moseley
    a so-called "element" that was even given the chemical name of "didymium". "Didymium" was found some years later to be simply a mixture of two genuine...
    24 KB (2,879 words) - 12:46, 22 August 2024
  • Thumbnail for List of chemical element name etymologies
    Douglas. "cereal". Online Etymology Dictionary. Retrieved 2011-01-02. didymium was originally mistaken for an element, later it was discovered that it...
    72 KB (1,773 words) - 23:24, 20 August 2024
  • Thumbnail for Slime mold
    and on bryophytes. Most Myxogastria are terrestrial, though some, like Didymium aquatilis are aquatic, and D. nigripes is semi-aquatic. Myxogastria are...
    54 KB (5,528 words) - 18:53, 22 September 2024
  • Thumbnail for Ion exchange
    difficult one, and those were formerly thought to be just one element didymium – but that is an alloy of the two.[citation needed] There are two series...
    20 KB (2,203 words) - 05:28, 21 October 2024
  • Thumbnail for Telomere
    TTAGGG Filamentous fungi Neurospora crassa TTAGGG Slime moulds Physarum, Didymium TTAGGG Dictyostelium AG(1-8) Kinetoplastid protozoa Trypanosoma, Crithidia...
    44 KB (4,924 words) - 18:51, 31 October 2024
  • Thumbnail for Myxogastria
    example, Squamuloderma nullifila is actually a species from the genus Didymium. The following classification is based on Adl et al. (2005) while the classes...
    47 KB (4,577 words) - 11:42, 24 October 2024
  • curriculum design Di, a prefix used in organic chemistry nomenclature Didymium, a mixture of the elements praseodymium and neodymium once thought to be...
    5 KB (630 words) - 11:35, 15 August 2024
  • solvents and flames to view the test flame through a cobalt blue glass or didymium glass to filter the interfering light of contaminants such as sodium. Flame...
    14 KB (990 words) - 06:23, 8 November 2024
  • Thumbnail for Rare-earth element
    known rare-earth elements had reached six: yttrium, cerium, lanthanum, didymium, erbium, and terbium. Nils Johan Berlin and Marc Delafontaine tried also...
    154 KB (16,462 words) - 06:30, 10 November 2024
  • Thumbnail for Carl Auer von Welsbach
    Welsbach in 1901, was an Austrian scientist and inventor, who separated didymium into the elements neodymium and praseodymium in 1885. He was also one of...
    28 KB (2,640 words) - 18:54, 25 October 2024
  • Thumbnail for Chemical symbol
    name for promethium. D Didymium 59/60 Mixture of the elements praseodymium and neodymium. Mosander wrongly believed didymium to be an element. Da Davyum...
    64 KB (2,126 words) - 12:28, 14 October 2024
  • Thumbnail for History of the periodic table
    lanthanum, a tetravalent cerium, and a pentavalent didymium. However, the higher valency for didymium had not been established, and Mendeleev tried to do...
    92 KB (11,059 words) - 09:27, 5 November 2024
  • Thumbnail for Per Teodor Cleve
    professor of general and agricultural chemistry. In 1874 he theorised that didymium was in fact two elements; this theory was confirmed in 1885 when Carl Auer...
    16 KB (1,443 words) - 06:09, 18 July 2024
  • Thumbnail for Ferocactus latispinus
    to −4 °C, with an average minimum temperature of 10 °C. The slime mold, Didymium wildpretii feeds on the decaying remains of F. latispinus in Mexico. Biología...
    7 KB (564 words) - 17:54, 27 June 2024
  • Genus: Didymium Didymium difforme Duby. Didymium leucopus Fr. Didymium melanospermum Macbr. Didymium microcarpon Rost. Didymium nigripes Fr. Didymium nigripes...
    8 KB (545 words) - 15:56, 23 October 2021
  • such as neodymium and praseodymium being thought to be the single element didymium. Very small differences in solubility are used in solvent and ion-exchange...
    107 KB (10,324 words) - 08:45, 10 November 2024
  • Thumbnail for Erbium
    pp. 1248–9 Mosander, C. G. (1843). "On the new metals, Lanthanium and Didymium, which are associated with Cerium; and on Erbium and Terbium, new metals...
    34 KB (4,095 words) - 22:07, 6 November 2024
  • Thumbnail for Monazite
    55 25.09 Cerium oxide (Ce2O3) 31.38 29.20 36.64 Lanthanum oxide (La2O3) Didymium oxide (Di2O3) } {\displaystyle {\Big \}}} 30.88 26.26 30.21 Yttrium oxide...
    19 KB (1,970 words) - 18:03, 28 October 2024
  • Thumbnail for Lanthanum
    a second element from cerium, and this he called didymium. Although he did not realise it, didymium too was a mixture, and in 1885 it was separated into...
    48 KB (6,048 words) - 10:26, 10 September 2024