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

The word ( radioactive ), is the 5739 most frequently used in English word vocabulary

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  1. Uranium-bearing deposits. Four astatine isotopes are present in three natural, radioactive ,decay series, but because of their short half-lives is found only in trace
  2. 70 % argon, believed to result from releases of the gas as a decay product from, radioactive ,materials on the planet. In 2005,the Huygens probe also discovered the
  3. And sodium chloride. Physics Potassium and rubidium are naturally weakly, radioactive ,as they have naturally occurring radioisotopes (and) and francium's only
  4. Three natural isotopes are used in applications. Actinium-225 is a member of, radioactive ,neptunium series; it was first discovered in 1947 as a fission product of
  5. Not present at the beginning (i.e., not " primordial" ), nor are results of, radioactive ,decay. Carbon-14 is continuously generated by cosmic rays in the atmosphere.
  6. Each element has at least one isotope with unstable nuclei that can undergo, radioactive ,decay. This can result in a transmutation that changes the number of protons or
  7. Between actinium and lawrencium in the periodic table. A soft, silvery-white, radioactive , metal,actinium reacts rapidly with oxygen and moisture in air forming a white
  8. Generated. This category covers random sources such as noisy diodes and, radioactive ,decay. Although the term is used in pseudo-scientific circles, it is not
  9. While isotopes with atomic numbers higher than lead (82) are known to be, radioactive , an" island of stability" has been proposed for some elements with atomic
  10. Alpha decay is much more easily shielded against than other forms of, radioactive ,decay. Plutonium-238,for example, requires only 2.5 mm of lead shielding to
  11. Small amounts of persisting natural plutonium have also been identified. The, radioactive ,decay of uranium produces transient amounts of protactinium, and atoms of
  12. Cancers. The medium half-life of 227Ac (21.77 years) makes it very convenient, radioactive ,isotope in modeling the slow vertical mixing of oceanic waters. The associated
  13. At 90.2 K. About 700,000 tonnes of argon are produced worldwide every year. In, radioactive ,decays 40Ar,the most abundant isotope of argon, is produced by the decay of
  14. The assassination of Alexander Litvinenko who was given a lethal dose of, radioactive ,polonium-210,possibly passed to him in aerosol form sprayed directly onto his
  15. For example,potassium-40) and in interactions of gamma quanta (emitted by, radioactive ,nuclei) with matter. Antineutrinos are another kind of antiparticles created
  16. Likely be extremely toxic due to its extreme radioactivity. If francium was not, radioactive , based on periodic trends it would most likely behave like cesium and would
  17. Natural contributor to public radiation dose is radon, a naturally occurring, radioactive ,gas found in soil and rock. If the gas is inhaled,some radon particles
  18. These super heavy elements may have a nucleus that is relatively stable against, radioactive ,decay. Name cern28509/> The most likely candidate for a stable super heavy
  19. But of a heart disease which he had before the accident. Astatine (or) is a, radioactive ,chemical element with the symbol At and atomic number 85. It occurs on the
  20. Satellite fails to reach orbit after launch; as it re-enters the atmosphere, of, radioactive , plutonium in its SNAP RTG power source is widely dispersed. *1965 – The
  21. A reference to Kryptonite, which from comic book lore, was the only substance (, radioactive ,pieces of his home planet) which could harm Superman, a clear reference to
  22. Meaning" unstable," to imply the created isotope's instability towards, radioactive ,decay; These processes are called decay chains. Since then, astatine was found
  23. Einsteinium and fermium. All actinides are radioactive and release energy upon, radioactive ,decay; naturally occurring uranium and thorium, and synthetically produced
  24. Lithium-6,boron-10 and nitrogen-14. Also, only four naturally occurring, radioactive ,odd-odd nuclides have a half-life over a billion years: potassium-40
  25. Element has one or more isotopes that have unstable nuclei that are subject to, radioactive ,decay, causing the nucleus to emit particles or electromagnetic radiation.
  26. Curium, berkelium,californium, einsteinium and fermium. All actinides are, radioactive ,and release energy upon radioactive decay; naturally occurring uranium and
  27. This medical application is however obsolete. Health issues As a highly, radioactive ,element, americium and its compounds must be handled only in an appropriate
  28. Re-entry (as designed) and landed in the Tonga Trench. While it will remain, radioactive ,for approximately 2,000 years, it does not appear to be releasing any of its
  29. Are being cooled in the first trap, a small cloud of positrons is captured from, radioactive ,sodium in a Surko-style positron accumulator. This cloud is then recaptured in
  30. Amounts and studied as intensively as possible before their inevitable, radioactive ,disintegration. The reactions are normally tested with dilute solutions of
  31. Curie worked extensively with radium, which decays into radon, along with other, radioactive ,materials that emit beta and gamma rays. However, Curie also worked with
  32. Atomic number 89,which was discovered in 1899. It was the first non-primordial, radioactive ,element to be isolated. Polonium, radium and radon were observed before
  33. Whether Spider-Man's powers were magic-based, rather than as the result of a, radioactive ,spider's bite. Additionally, Straczynski resurrected the plot point of Aunt
  34. Charge is conserved. For example, the antielectrons produced in natural, radioactive ,decay quickly annihilate themselves with electrons, producing pairs of gamma
  35. Name mashnik2000/> Elements such as lead formed largely through the, radioactive ,decay of heavier elements. Earth Most of the atoms that
  36. Out of a molecular cloud to form the Solar System. The rest are the result of, radioactive ,decay, and their relative proportion can be used to determine the age of the
  37. Earth. Name poston1998/> name cz97_10_522/> Transgenic elements have, radioactive ,lifetimes shorter than the current age of the Earth and thus identifiable
  38. Ray. And sometimes acetaldehyde. Properties Actinium is a soft, silvery-white, radioactive , metallic element. Its estimated shear modulus is similar to that of lead.
  39. Of the fiber tracts in the brains of the individual. Alpha decay is a type of, radioactive ,decay in which an atomic nucleus emits an alpha particle and thereby transforms
  40. Numbers range from 21 to 42; however, only 27Al (stable isotope) and 26Al (, radioactive ,isotope,t1/2 = 7.2×105 y) occur naturally. 27Al has a natural abundance above
  41. 2,000 years, it does not appear to be releasing any of its 3.9 kg of, radioactive ,plutonium. Lovell's lunar space suit helmet is located at the Museum of
  42. Federal Ministry of Environment: 5 kg/L Actinium () is a, radioactive ,chemical element with the symbol Ac and atomic number 89,which was discovered
  43. Depth profiles allow modeling the mixing behavior. Precautions 227Ac is highly, radioactive ,and experiments with it are carried out in a specially designed laboratory
  44. Then 28 grams (1 oz) at any given time. Characteristics Astatine is a highly, radioactive ,element: its most stable isotope,astatine-210,has a half-life of 8.1 hours If
  45. During baryogenesis remains a mystery. Positrons can also be produced by, radioactive ,decay, but this mechanism can occur both naturally and artificially. Positrons
  46. Japanese film ever made. In 1954,nuclear tests in the Pacific were causing, radioactive ,rainstorms in Japan (the only country ever to have been the victim of an
  47. And) and francium's only naturally occurring isotope () is also, radioactive ,with a half-life of only 22.0 minutes. Cesium was also thought to have natural
  48. Antielectron, or positron, which is produced naturally in certain types of, radioactive ,decay. The laws of nature are very nearly symmetrical with respect to particles
  49. Production Positrons are produced naturally in β+ decays of naturally occurring, radioactive ,isotopes (for example,potassium-40) and in interactions of gamma quanta (
  50. Scarcity and high price of this nuclear isomer. Americium is a relatively soft, radioactive ,metal with silvery-white appearance. Its most common isotopes are 241Am and

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