• Thumbnail for Allotropes of phosphorus
    Elemental phosphorus can exist in several allotropes, the most common of which are white and red solids. Solid violet and black allotropes are also known...
    30 KB (3,231 words) - 08:00, 5 November 2024
  • Thumbnail for White phosphorus
    White phosphorus, yellow phosphorus, or simply tetraphosphorus (P4) is an allotrope of phosphorus. It is a translucent waxy solid that quickly yellows...
    12 KB (1,163 words) - 02:21, 18 December 2024
  • Thumbnail for Phosphorus
    Phosphorus has several allotropes that exhibit strikingly diverse properties. The two most common allotropes are white phosphorus and red phosphorus....
    109 KB (12,811 words) - 13:59, 8 December 2024
  • Thumbnail for Red phosphorus
    Red phosphorus is an allotrope of phosphorus. It is an amorphous polymeric red solid that is stable in air. It can be easily converted from white phosphorus...
    12 KB (1,245 words) - 07:16, 16 December 2024
  • Thumbnail for Allotropy
    californium have three allotropes each. In 2017, the concept of nanoallotropy was proposed. Nanoallotropes, or allotropes of nanomaterials, are nanoporous...
    31 KB (2,058 words) - 19:20, 14 December 2024
  • Thumbnail for White phosphorus munition
    White phosphorus munitions are weapons that use one of the common allotropes of the chemical element phosphorus. White phosphorus is used in smoke, illumination...
    61 KB (6,151 words) - 08:48, 6 November 2024
  • Thumbnail for Allotropes of arsenic
    black, or yellow allotropes. These various forms feature diverse structural motifs, with yellow arsenic enabling the widest range of reactivity. In particular...
    24 KB (2,657 words) - 02:58, 24 August 2024
  • Thumbnail for Periodic table
    dimensions. Both kinds of structures can be found as allotropes of phosphorus, arsenic, and selenium, although the long-chained allotropes are more stable in...
    251 KB (27,112 words) - 00:24, 23 December 2024
  • Thumbnail for Molecular solid
    crystallize as different allotropes called "white", "red", and "black" phosphorus. White phosphorus forms molecular crystals composed of tetrahedral P4 molecules...
    33 KB (2,941 words) - 16:03, 25 August 2024
  • Thumbnail for Johann Wilhelm Hittorf
    Johann Wilhelm Hittorf (category Recipients of the Pour le Mérite (civil class))
    of the tubes. In 1876 the effect was named "cathode rays" by Eugen Goldstein. Hittorf's early investigations concerned the allotropes of phosphorus and...
    4 KB (358 words) - 18:49, 16 December 2024
  • Homonuclear molecule (category Sets of chemical elements)
    phosphorus (P4). Allotropes are different chemical forms of the same element (not containing any other element). In that sense, allotropes are all homonuclear...
    2 KB (236 words) - 07:49, 28 October 2024
  • Thumbnail for Phosphorene
    Phosphorene (category Phosphorus)
    two-dimensional material consisting of phosphorus. It consists of a single layer of black phosphorus, the most stable allotrope of phosphorus. Phosphorene is analogous...
    30 KB (3,200 words) - 11:34, 7 August 2024
  • Political Eight, or "G7+1", see G8 P8 Group of pension funds P8, a hypothetical allotrope of phosphorus Danish public radio station DR P8 Jazz 8P (disambiguation)...
    1 KB (170 words) - 14:44, 20 September 2024
  • laboratory, a biosafety level 4 facility Tetraphosphorus (P4), an allotrope of phosphorus Group p4, the plane symmetry group wallpaper group p4 Progesterone...
    2 KB (292 words) - 05:19, 15 February 2023
  • Thumbnail for Pnictogen
    of the periodic table. This group is also known as the nitrogen group or nitrogen family. Group 15 consists of the elements nitrogen (N), phosphorus (P)...
    34 KB (4,046 words) - 03:19, 10 December 2024
  • Allotropes of silicon are structurally varied forms of silicon. Amorphous silicon takes the form of a brown powder. Crystalline silicon has a metallic...
    7 KB (711 words) - 23:11, 24 November 2023
  • Thumbnail for Chalcogen
    allotropes include rhombic sulfur and monoclinic sulfur. Rhombic sulfur is the more stable of the two allotropes. Monoclinic sulfur takes the form of...
    75 KB (8,301 words) - 03:24, 5 December 2024
  • stable allotrope of the element, such as graphite in the case of carbon, and the β-phase (white tin) in the case of tin. An exception is white phosphorus, the...
    17 KB (2,067 words) - 17:21, 18 September 2024
  • Thumbnail for Carbon
    Carbon (redirect from History of carbon)
    with diverse molecular configurations called allotropes. The three relatively well-known allotropes of carbon are amorphous carbon, graphite, and diamond...
    95 KB (10,859 words) - 14:57, 7 December 2024
  • Thumbnail for Portishead, Somerset
    removal of yellow (spontaneously combustible) and red allotropes of phosphorus. The site is now home to Portishead volunteer coastguard. The onset of new...
    72 KB (7,477 words) - 03:08, 19 October 2024
  • Thumbnail for Solid nitrogen
    nitrogen exists in only two known allotropes: α-nitrogen (below 35 K) and β-nitrogen (35–63 K). Measurements of the vapour pressure from 20–63 K suggest...
    50 KB (5,941 words) - 05:23, 11 October 2024
  • state is the pure liquid or solid under a pressure of 1 bar. For elements that have multiple allotropes, the reference state usually is chosen to be the...
    29 KB (1,880 words) - 03:13, 4 December 2024
  • densities similar to those of the other elements. When an element has allotropes with different densities, one representative allotrope is typically selected...
    76 KB (10,060 words) - 09:18, 14 November 2024
  • Thumbnail for Nitrogen
    imino-derivatives find no echo with phosphorus, arsenic, antimony, or bismuth. By the same token, however, the complexity of the phosphorus oxoacids finds no echo...
    105 KB (12,228 words) - 09:07, 17 November 2024
  • Thumbnail for Hexaphosphabenzene
    Hexaphosphabenzene (category Phosphorus)
    of benzene and is expected to have a similar planar structure due to resonance stabilization and its sp2 nature. Although several other allotropes of...
    34 KB (3,519 words) - 04:22, 20 September 2024
  • Thumbnail for Carbon group
    known allotropes that exist at room temperature. These allotropes are known as the amorphous and the crystalline allotropes. The amorphous allotrope is a...
    32 KB (3,841 words) - 07:33, 22 October 2024
  • Thumbnail for Bromine azide
    sodium, silver foil, or phosphorus. When heated to decomposition it emits highly toxic fumes of bromine and explodes. The amount of compound used during...
    6 KB (523 words) - 11:10, 10 December 2024
  • Thumbnail for Hennig Brand
    Hennig Brand (category Discoverers of chemical elements)
    elemental phosphorus P, which comes off as a gas. Phosphorus condenses to a liquid below about 280°C and then solidifies (to the white phosphorus allotrope) below...
    10 KB (1,074 words) - 23:37, 14 October 2024
  • Thumbnail for Matchgirls' strike
    eat, and the severe health complications of working with allotropes of white phosphorus, which caused phosphorus necrosis also known as phosphorimus chronicus...
    29 KB (3,564 words) - 06:41, 13 August 2024
  • Thumbnail for Sulfur
    ISBN 978-0-12-352651-9. Steudel, Ralf; Eckert, Bodo (2003). Solid Sulfur Allotropes Sulfur Allotropes. Topics in Current Chemistry. Vol. 230. pp. 1–80. doi:10.1007/b12110...
    99 KB (11,017 words) - 04:16, 19 December 2024