• Thumbnail for Protactinium(IV) bromide
    Protactinium(IV) bromide is an inorganic compound. It is an actinide halide, composed of protactinium and bromine. It is radioactive, and has the chemical...
    3 KB (347 words) - 13:00, 21 December 2023
  • Protactinium bromide may refer to: Protactinium(IV) bromide (protactinium tetrabromide), PaBr4 Protactinium(V) bromide (protactinium pentabromide), PaBr5...
    511 bytes (51 words) - 23:01, 20 December 2023
  • Thumbnail for Protactinium
    alternatively be produced by reacting protactinium pentachloride with hydrogen bromide or thionyl bromide. Protactinium(V) bromide has two similar monoclinic forms:...
    50 KB (5,847 words) - 19:06, 29 October 2024
  • Protactinium(V) bromide is an inorganic compound. It is a halide of protactinium, consisting of protactinium and bromine. It is radioactive and has a chemical...
    4 KB (409 words) - 20:05, 12 May 2024
  • Thumbnail for Protactinium(V) chloride
    bipyramidal, protactinium atoms sharing edges. Protactinium(V) chloride can react with boron tribromide at high temperatures to form protactinium(V) bromide. It...
    4 KB (175 words) - 12:41, 5 January 2024
  • Thumbnail for Protactinium(IV) chloride
    Protactinium(IV) chloride is an inorganic compound. It is an actinide halide, a salt composed of protactinium and chlorine. It is radioactive, and has...
    4 KB (357 words) - 19:05, 2 April 2024
  • PaBr4 protactinium(IV) bromide 13867–42–0 PaBr5 protactinium(V) bromide 15608–38–5 PaCl4 protactinium(IV) chloride 13867–41–9 PaCl5 protactinium(V) chloride...
    139 KB (120 words) - 17:07, 15 July 2024
  • Thumbnail for Bromine
    suggests that bromine (in the form of bromide ion) is a necessary cofactor in the biosynthesis of collagen IV, making the element essential to basement...
    67 KB (7,719 words) - 01:26, 30 October 2024
  • metals protactinium and iodine, or by reacting protactinium(V) chloride, protactinium(V) bromide or protactinium(V) oxide with silicon tetraiodide. It reacts...
    4 KB (308 words) - 12:42, 5 January 2024
  • alternative reaction is between protactinium pentachloride and hydrogen bromide or thionyl bromide. Protactinium(V) bromide has two similar monoclinic forms...
    17 KB (1,760 words) - 20:03, 12 May 2024
  • Thumbnail for Discovery of nuclear fission
    found was an isotope of protactinium. This spurred Hahn and Meitner, the discoverers of the most stable isotope of protactinium, to conduct a four-year-long...
    99 KB (12,607 words) - 04:05, 20 August 2024
  • protactinium is chemically similar to uranium(IV) and thorium(IV). Fluorides, phosphates, hypophosphates, iodates and phenylarsonates of protactinium(IV)...
    130 KB (11,599 words) - 02:19, 29 October 2024
  • [NH4]HSO4 Ammonium bromide – NH4Br Ammonium chromate – [NH4]2CrO4 Ammonium cerium(IV) nitrate – [NH4]2[Ce(NO3)6] Ammonium cerium(IV) sulfate – [NH4]4[Ce(SO4)4]...
    119 KB (8,735 words) - 17:31, 25 October 2024
  • Thumbnail for Protactinium(V) fluoride
    Protactinium(V) fluoride is a fluoride of protactinium with the chemical formula PaF5. Protactinium(V) fluoride can be obtained by reacting protactinium(V)...
    4 KB (377 words) - 20:06, 12 May 2024
  • Thumbnail for Thorium compounds
    signals was azido-chloro complexes of thorium(IV). In fact, the redox potentials of thorium, protactinium, and uranium are much more similar to those of...
    35 KB (4,162 words) - 21:26, 28 April 2024
  • Thumbnail for Cubic crystal system
    Thorium phosphide Thorium arsenide Thorium antimonide (CsCl structure) Protactinium ? ? ? ? ? Uranium Uranium nitride Uranium monophosphide Uranium arsenide...
    49 KB (3,620 words) - 14:56, 4 October 2024
  • of dubnium from hydrogen bromide into diisobutyl carbinol (2,6-dimethylheptan-4-ol), a specific extractant for protactinium, with subsequent elutions...
    50 KB (9,127 words) - 00:47, 21 October 2024
  • Thumbnail for Americium
    this behavior is similar to that of neptunium, uranium, thorium and protactinium, but is different from plutonium and curium which show a rapid rise up...
    77 KB (9,268 words) - 15:13, 11 October 2024
  • Thumbnail for Thorium(IV) fluoride
    Thorium(IV) fluoride (ThF4) is an inorganic chemical compound. It is a white hygroscopic powder which can be produced by reacting thorium with fluorine...
    4 KB (259 words) - 00:47, 15 September 2024
  • Thumbnail for Uranium tetrafluoride
    harmful by inhalation, ingestion, and through skin contact. Praseodymium(IV) fluoride which has the same crystal structure Booth, H. S.; Krasny-Ergen...
    7 KB (463 words) - 13:31, 3 October 2024
  • Thumbnail for Einsteinium
    phase; such +2 state is not observed in many other actinides, including protactinium, uranium, neptunium, plutonium, curium and berkelium. Einsteinium(II)...
    67 KB (7,944 words) - 07:00, 24 October 2024
  • neutral fluorides (CnF4 and CnF2, respectively), although the analogous bromide or iodide ions may be more stable towards hydrolysis in aqueous solution...
    51 KB (8,411 words) - 15:55, 27 October 2024
  • atomic weight of the component halide increases. Neodymium compounds Protactinium compounds Neptunium compounds Kloprogge 2021, pp. 861–862. Seaborg 1968...
    13 KB (1,294 words) - 09:38, 19 June 2024
  • Thumbnail for Californium
    bromide CfBr3 yellowish green +3 californium(III) iodide CfI3 lemon yellow +3 californium(III) polyborate Cf[B6O8(OH)5] pale green +4 californium(IV)...
    44 KB (4,631 words) - 23:46, 21 August 2024
  • Thumbnail for Uranium
    Uranium (redirect from U(IV))
    primarily undergo alpha decay, except for 229U and 231U, which decay to protactinium isotopes via positron emission and electron capture, respectively; the...
    110 KB (12,380 words) - 11:06, 17 October 2024
  • the maximum known being in the pentaiodides of niobium, tantalum, and protactinium. Iodides can be made by reaction of an element or its oxide, hydroxide...
    30 KB (3,558 words) - 02:08, 12 September 2024
  • together. Protactinium compounds Promethium compounds V. A. Mikhailov, ed. (1971). Analytical chemistry of neptunium. Moscow: Nauka. Np(II), (III) and (IV) have...
    48 KB (5,596 words) - 08:07, 27 September 2024
  • is common among the actinides. The crystal structures of neptunium, protactinium, uranium, and plutonium do not have clear analogs among the lanthanides...
    113 KB (13,707 words) - 19:00, 28 October 2024
  • Thumbnail for Thorium
    the periodic table, it lies to the right of actinium, to the left of protactinium, and below cerium. Pure thorium is very ductile and, as normal for metals...
    136 KB (15,997 words) - 10:30, 31 October 2024
  • Thumbnail for Platinum
    Platinum(II) and platinum(IV) bromides are known as well. Platinum hexafluoride is a strong oxidizer capable of oxidizing oxygen. Platinum(IV) oxide, PtO2, also...
    66 KB (7,080 words) - 22:48, 12 September 2024