• Polonium sulfide is an inorganic compound of polonium and sulfur with the chemical formula PoS. The compound is radioactive and forms black crystals....
    4 KB (378 words) - 22:23, 25 May 2024
  • Thumbnail for Chalcogen
    chalcogenide is more commonly reserved for sulfides, selenides, and tellurides, rather than for oxides. Except for polonium, the chalcogens are all fairly similar...
    74 KB (8,286 words) - 07:37, 22 October 2024
  • Thumbnail for Polonium dioxide
    Polonium dioxide (also known as polonium(IV) oxide) is a chemical compound with the formula PoO2. It is one of three oxides of polonium, the other two...
    8 KB (793 words) - 23:05, 6 August 2023
  • Livermorium (redirect from Eka-Polonium)
    chalcogen polonium. Livermorium is calculated to have some similar properties to its lighter homologues (oxygen, sulfur, selenium, tellurium, and polonium), and...
    53 KB (9,271 words) - 15:09, 26 October 2024
  • Thumbnail for Polonium dichloride
    Polonium dichloride is a chemical compound of the radioactive metalloid, polonium and chlorine. Its chemical formula is PoCl2. It is an ionic salt. Polonium...
    3 KB (279 words) - 05:17, 19 October 2024
  • tetrabromide by hydrogen sulfide at low temperatures (however, this does not form pure polonium dibromide, even upon heating). Polonium dibromide forms purple...
    2 KB (187 words) - 04:58, 23 March 2023
  • hydrogen sulfide, and hydrogen selenide may be made by heating their constituent elements together above 350 °C, but hydrogen telluride and polonium hydride...
    20 KB (1,856 words) - 22:18, 15 April 2024
  • Thumbnail for Magnesium polonide
    corresponding sulfide, selenide and telluride; only mercury polonide (HgPo) shares this property. Bagnall, K. W. (1962). "The Chemistry of Polonium". Advances...
    2 KB (155 words) - 04:46, 28 May 2024
  • {\ce {PoI4 + 2HI -> H2[PoI6]}}} It can be reduced by hydrogen sulfide to yield polonium metal. It decomposes on heating. Macintyre, Jane E. (23 July 1992)...
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  • Metalloid (section Polonium)
    elements are less frequently so classified: carbon, aluminium, selenium, polonium and astatine. On a standard periodic table, all eleven elements are in...
    246 KB (27,797 words) - 13:04, 27 August 2024
  • Thumbnail for Sulfur
    sometimes found in pure, native form, sulfur on Earth usually occurs as sulfide and sulfate minerals. Being abundant in native form, sulfur was known in...
    99 KB (11,016 words) - 00:57, 30 October 2024
  • Thumbnail for Cubic crystal system
    especially low atomic packing factor, is rare in nature, but is found in polonium. The bcc and fcc, with their higher densities, are both quite common in...
    49 KB (3,620 words) - 14:56, 4 October 2024
  • radioactive. After bismuth, which has a half-life or more than 1019 years, polonium, astatine, and radon are some of the shortest-lived and rarest elements...
    58 KB (6,563 words) - 08:57, 25 October 2024
  • Thumbnail for Antimony
    lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient...
    60 KB (6,862 words) - 00:48, 30 October 2024
  • Thumbnail for Hydride
    convention is sometimes broken for polonium, which on the grounds of polonium's metallicity is often referred to as "polonium hydride" instead of the expected...
    21 KB (2,283 words) - 16:04, 30 September 2024
  • Thumbnail for Noble metal
    includes copper, mercury, technetium, rhenium, arsenic, antimony, bismuth, polonium, gold, the six platinum group metals, and silver. Many of the noble metals...
    28 KB (2,759 words) - 05:46, 29 October 2024
  • Thumbnail for Silver
    that contain silver compounds, generally in the form of sulfides such as galena (lead sulfide) or cerussite (lead carbonate). So the primary production...
    94 KB (11,268 words) - 02:18, 30 October 2024
  • Plutonium tetrafluoride – PuF4 Polonium hexafluoride – PoF6 Polonium monoxide – PoO Polonium dioxide – PoO2 Polonium trioxide – PoO3 Di-positronium –...
    119 KB (8,735 words) - 17:31, 25 October 2024
  • Physostigmine, salicylate (1:1) Picrotoxin Piperidine Pirimifos-ethyl Plutonium Polonium-210 Potassium arsenite Potassium cyanide Potassium silver cyanide Promecarb...
    10 KB (825 words) - 19:18, 7 August 2024
  • Thumbnail for Post-transition metal
    periods 4–6 namely gallium, indium and thallium, tin and lead, bismuth, and polonium; and aluminium, a group 13 metal in period 3. They can be seen at the bottom...
    124 KB (15,306 words) - 16:20, 28 October 2024
  • Thumbnail for Acidithiobacillus
    radioactive waste as an ore with the bacteria to obtain gold, platinum, polonium, radon, radium, uranium, neptunium, americium, nickel, manganese, bromine...
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  • Thumbnail for Lead polonide
    naturally, as lead is produced in the alpha decay of polonium. Lead polonide can be formed by reacting polonium vapour and lead under a vacuum. Lead polonide...
    3 KB (209 words) - 16:08, 27 May 2024
  • Thumbnail for Kix (cereal)
    through a small plastic lens at scintillations caused by polonium alpha particles striking a zinc sulfide screen. The slogan "Kid Tested. Mother Approved." was...
    5 KB (445 words) - 16:48, 27 May 2024
  • Thumbnail for Mercury (element)
    as cinnabar (mercuric sulfide). The red pigment vermilion is obtained by grinding natural cinnabar or synthetic mercuric sulfide. Exposure to mercury and...
    120 KB (12,700 words) - 01:19, 31 October 2024
  • Thumbnail for Natural gas
    of other higher alkanes. Traces of carbon dioxide, nitrogen, hydrogen sulfide, and helium are also usually present. Methane is colorless and odorless...
    105 KB (11,529 words) - 13:22, 23 October 2024
  • Thumbnail for Copper
    BC. Thousands of years later, it was the first metal to be smelted from sulfide ores, c. 5000 BC; the first metal to be cast into a shape in a mold, c...
    122 KB (13,910 words) - 18:45, 24 October 2024
  • Thumbnail for Polonide
    Polonide (category Polonium compounds)
    chemical compound of the radioactive element polonium with any element less electronegative than polonium. Polonides are usually prepared by a direct reaction...
    8 KB (784 words) - 11:10, 27 November 2023
  • Thumbnail for Nickel
    earth's crust exists as oxides, economically more important nickel ores are sulfides, especially pentlandite. Major production sites include the Sudbury region...
    89 KB (9,766 words) - 02:26, 30 October 2024
  • Thumbnail for Carbon group
    naturally occurring chalcogens except polonium, and forms dichalcogenides with naturally occurring chalcogens except polonium and tellurium. Lead forms one hydride...
    32 KB (3,841 words) - 07:33, 22 October 2024
  • Thumbnail for Actinium
    lawrencium in the periodic table, are named for actinium. Together with polonium, radium, and radon, actinium was one of the first non-primordial radioactive...
    42 KB (4,663 words) - 03:42, 26 October 2024