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Examples of the the word, radon , in a Sentence Context

The word ( radon ), is the 17809 most frequently used in English word vocabulary

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  1. Long half-life (4.5 billion years). Uranium and thorium, radium,and thus, radon , will continue to occur for millions of years at about the same concentrations
  2. Can cause cancer and other disorders, because radium and its decay product, radon ,emit alpha particles upon their decay, which kill and mutate cells. The dangers
  3. A colorless, radioactive gas given off by radium, later identified as, radon , Skłodowska-Curie provided the tubes of radium, derived from the material she
  4. At standard temperature and pressure, when cooled below its freezing point of, radon ,has a brilliant phosphorescence which turns from yellow to orange-red as the
  5. Cellars and basements sunk into soils over granite can become a trap for, radon ,gas, which is formed by the decay of uranium. Radon can also be introduced into
  6. Compounds of other noble gases were discovered soon after: in 1962 for, radon , radon fluoride, and in 1963 for krypton, krypton difluoride (). The first
  7. Radiation or X-rays. Curie worked extensively with radium, which decays into, radon , along with other radioactive materials that emit beta and gamma rays. However
  8. In organic liquids than in water. Early studies concluded that the stability of, radon ,hydrate should be of the same order as that of the hydrates of chlorine () or
  9. Worldwide. According to the United States Environmental Protection Agency, radon ,is the second most frequent cause of lung cancer, after cigarette smoking
  10. Country and design rules relating, in particular, to preventing accumulation of, radon ,gas in enclosed basements and dwellings. A study of granite countertops was
  11. Radioactive sources from nature; * Sources in the atmosphere, such as the, radon ,gas released from the Earth's crust, which then decays into radioactive atoms
  12. All have to be disposed of as low-level nuclear waste. Radiation exposure from, radon ,is indirect. Radon has a short half-life (4 days) and decays into other solid
  13. Breathing high concentrations of radon and incidence of lung cancer. Thus, radon ,is considered a significant contaminant that affects indoor air quality
  14. Parts. Helium is typically produced by separating it from natural gas, and, radon , is isolated from the radioactive decay of radium compounds. In particular
  15. Decay products of thorium, uranium,and plutonium (polonium, astatine, radon , francium, radium,actinium, and protactinium). Three additional naturally
  16. Aplastic anemia. Stored radium should be ventilated to prevent accumulation of, radon , Emitted energy from the decay of radium also ionizes gases, affects
  17. In areas that are not well ventilated. Due to its high radioactivity, radon ,presents a significant health hazard; it is implicated in an estimated 21,000
  18. Radioactive gas found in soil and rock. If the gas is inhaled,some, radon ,particles may attach to the inner lining of the lung. These particles continue
  19. The more common radioactive elements, including uranium, thorium,radium, and, radon , Elements isolated or produced since 1900 include: *The three remaining
  20. Fractional distillation. Helium is typically separated from natural gas, and, radon , is usually isolated from the radioactive decay of dissolved radium compounds.
  21. Protection Agency (EPA) estimates that one in 15 homes in the U. S. has, radon ,levels above the recommended guideline of 4 picocuries per liter (PCI/L) (
  22. From yellow to orange-red as the temperature is lowered. Upon condensation, radon ,glows because of the intense radiation it produces. Chemical properties Being a
  23. Francium is a highly radioactive metal that decays into astatine, radium,and, radon , As an alkali metal, it has one valence electron. Francium was discovered by
  24. Cost and radioactivity, experimental chemical research is seldom performed with, radon , and as a result there are very few reported compounds of radon , all either
  25. Been studied and were called radium emanation or exradio (now identified as, radon ,), radium A (polonium),radium B (lead),radium C (bismuth),etc. Radon
  26. Of recurrently produced but unstable radioactive elements such as radium and, radon , which are transiently present in any sample of these metals or their ores or
  27. Compounds of other noble gases were discovered soon after: in 1962 for radon , radon ,fluoride, and in 1963 for krypton, krypton difluoride (). The first stable
  28. First non-primordial radioactive element to be isolated. Polonium, radium and, radon ,were observed before actinium, but they were not isolated until 1902. Actinium
  29. Metastasis. Precautions Radium is highly radioactive and its decay product, radon ,gas, is also radioactive. Since radium is chemically similar to calcium, it has
  30. Lung cancer deaths in the US every year that have been attributed to indoor, radon , Tobacco smoking causes additional exposure to polonium. Regulatory exposure
  31. Of the intense radiation it produces. Chemical properties Being a noble gas, radon ,is chemically not very reactive. However, the 3.8 day half-life of radon -222
  32. Uranium and thorium and their decay products, some of which, like radium and, radon ,are intensely radioactive but occur in low concentrations. Most of these
  33. That smokers should stop smoking. The connection with, radon ,gas was first recognized among miners in the Ore Mountains near Schoenberg
  34. Well insulated and sealed homes in the northern industrialized world has led to, radon ,becoming the primary source of background radiation in some localities in
  35. Standards (section 4.1.1.1 of the National Health and Engineering study) and, radon ,emission levels well below the average outdoor radon concentrations in the US.
  36. Regulations. The largest natural contributor to public radiation dose is, radon , a naturally occurring, radioactive gas found in soil and rock. If the gas is
  37. 1470,and these mines are rich in uranium, with its accompanying radium and, radon ,gas. Miners developed a disproportionate amount of lung disease, eventually
  38. Causing this label to fall into disuse. However, heavier noble gases such as, radon ,are held less firmly together by electromagnetic force than lighter noble gases
  39. Not detectable by human senses alone. At standard temperature and pressure, radon ,forms a monatomic gas with a density of 9.73 kg/m3,about 8 times the density
  40. Gas which in turn was used as a cancer treatment; for example, several of these, radon ,sources were used in Canada in the 1920s and 1930s. The isotope is currently
  41. Engineering study) and radon emission levels well below the average outdoor, radon ,concentrations in the US. Uses Antiquity The Red Pyramid of Egypt (c.26th
  42. Neon (Ne),argon (Ar),krypton (Kr),xenon (Xe),and the radioactive, radon ,(Rn). For the first six periods of the periodic table, the noble gases are
  43. A major problem, and buildings have to be force-ventilated with fans to lower, radon ,gas concentrations. The United States Environmental Protection Agency (EPA)
  44. In two days. All isotopes of the element decay into those of bismuth, polonium, radon , or other astatine isotopes. Astatine, like its lighter homologies, is a
  45. In areas such as Cornwall in the UK (which has granite as substrata), radon , gas is a major problem, and buildings have to be force-ventilated with fans to
  46. As the first ionization energy). However, in accordance with periodic trends, radon ,has a lower electronegativity than the element one period before it, xenon,and
  47. Usually in the form of radium chloride) was used in medicine to produce, radon ,gas which in turn was used as a cancer treatment; for example, several of these
  48. Studies have shown a clear link between breathing high concentrations of, radon ,and incidence of lung cancer. Thus, radon is considered a significant
  49. To its radioactivity. Intense radioactivity also hindered chemical studies of, radon ,and only a few compounds are known. Radon is formed as part of the normal
  50. Isotope being radium-226,which has a half-life of 1601 years and decays into, radon ,gas. Because of such instability, radium is luminescent, glowing a faint blue.

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