About 16 results.

Polonium


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Description. Lang: en

Polonium is a chemical element with the symbol Po and atomic number 84. A rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Due to the short half-life of all its isotopes, its natural occurrence is limited to tiny traces of the fleeting polonium-210 (with a half-life of 138 days) in uranium ores, as it is the penultimate daughter of natural uranium-238. Though slightly longer-lived isotopes exist, they are much more difficult to produce. Today, polonium is usually produced in milligram quantities by the neutron irradiation of bismuth. Due to its intense radioactivity, which results in the radiolysis of chemical bonds and radioactive self-heating, its chemistry has mostly been investigated on the trace scale only.
Polonium was discovered in 1898 by Marie and Pierre Curie, when it was extracted from the uranium ore pitchblende and identified solely by its strong radioactivity: it was the first element to be so discovered. Polonium was named after Marie Curie's homeland of Poland. Polonium has few applications, and those are related to its radioactivity: heaters in space probes, antistatic devices, sources of neutrons and alpha particles, and poison. It is extremely dangerous to humans.
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Polonium

Chemical element

  • Desc: Polonium is a chemical element with the symbol Po and atomic number 84. A rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth.
  • Wiki: https://en.wikipedia.org/wiki/Polonium
  • Type: Thing
  • Result Score: 3329.63

Polonium-210

Isotope

  • Desc: Polonium-210 is an isotope of polonium. It undergoes alpha decay to stable ²⁰⁶Pb with a half-life of 138.376 days, the longest of all naturally occurring polonium isotopes.
  • Wiki: https://en.wikipedia.org/wiki/Polonium-210
  • Type: Thing
  • Result Score: 176.97

Livermorium

Chemical element

  • Desc: Livermorium is a synthetic chemical element with the symbol Lv and has an atomic number of 116. It is an extremely radioactive element that has only been created in the laboratory and has not been observed in nature.
  • Wiki: https://en.wikipedia.org/wiki/Livermorium
  • Type: Thing
  • Result Score: 86.44

The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements

Book by Sam Kean

  • Desc: The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements, is a 2010 book by science reporter Sam Kean.
  • Wiki: https://en.wikipedia.org/wiki/The_Disappearing_Spoon
  • Type: Thing, Book
  • Result Score: 74.22

Polonium hydride

Chemical compound

  • Desc: Polonium hydride is a chemical compound with the formula PoH₂. It is a liquid at room temperature, the second hydrogen chalcogenide with this property after water.
  • Wiki: https://en.wikipedia.org/wiki/Polonium_hydride
  • Type: Thing
  • Result Score: 26.76

Polonium dioxide

Chemical compound

  • Desc: Polonium dioxide is a chemical compound with the formula PoO₂. It is one of three oxides of polonium, the other two being polonium monoxide and polonium trioxide. It is a pale yellow crystalline solid at room temperature. Under lowered pressure, it decomposes into elemental polonium and oxygen at 500 °C. It is the most stable oxide of polonium and is an interchalcogen.
  • Wiki: https://en.wikipedia.org/wiki/Polonium_dioxide
  • Type: Thing
  • Result Score: 19.82

Poisoned by Polonium

2007 film

Polonium dichloride

Chemical compound

Polonium

Album by Motion Trio

  • Type: MusicAlbum, Thing
  • Result Score: 7.00

Polonium monoxide

Chemical compound

  • Desc: Polonium monoxide is a chemical compound with the formula PoO. It is one of three oxides of polonium, the other two being polonium dioxide and polonium trioxide. It is an interchalcogen.
  • Wiki: https://en.wikipedia.org/wiki/Polonium_monoxide
  • Type: Thing
  • Result Score: 6.44

Polonium tetrachloride

Chemical compound

polonium(IV) bromide

Chemical compound

  • Type: Thing
  • Result Score: 5.14

polonium(IV) iodide

Chemical compound

  • Type: Thing
  • Result Score: 4.18

polonium84

Song

  • Type: Thing
  • Result Score: 3.50

Polonium hexafluoride

Chemical compound

polonium-208 atom

Chemical compound

  • Type: Thing
  • Result Score: 1.00
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