Test On Chapter 25 Nuclear Chemistry Vocabulary Review 10/4/10

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Test on Chapter 25 Nuclear Chemistry Vocabulary Review 10/4/10

  
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  • 1. 
            time required for one half of the nuclei of a radioisotope sample to decay to products
    • A. 

      Scintillation counter

    • B. 

      Half-life

    • C. 

      fission


  • 2. 
              elements in the periodic table with atomicnumbers above 92
    • A. 

      Transuranium elements

    • B. 

      Radon elements

    • C. 

      Terbium


  • 3. 
             conversion of an atom of one element to an atom of another element
    • A. 

      transmutation

    • B. 

      Radiation

    • C. 

      Radioisotopes


  • 4. 
     isotopes that have unstable nuclei and undergo radioactive decay
    • A. 

      Radiation

    • B. 

      Radioisotopes

    • C. 

      Gamma ray


  • 5. 
         high-energy photon with no mass or electrical charge
    • A. 

      Alpha particles

    • B. 

      Gamma ray

    • C. 

      Beta particles


  • 6. 
             fast-moving electrons released by a radioactive nucleus
    • A. 

      Beta particles

    • B. 

      Fission

    • C. 

      Radiation


  • 7. 
         the splitting of an atomic nucleus into smaller fragments
    • A. 

      Fission

    • B. 

      Fussion

    • C. 

      Fassion


  • 8. 
             gas-filled metal tube used to detect the presence of radiation
    • A. 

      Radioisotopes

    • B. 

      scintillation counter

    • C. 

      Geiger counter


  • 9. 
          positively charged particle consisting of two protons and two neutrons
    • A. 

      Beta particles

    • B. 

      Gamma particles

    • C. 

      Alpha particles


  • 10. 
         are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei such as potassium-40
    • A. 

      Beta particles

    • B. 

      Alpha particles

    • C. 

      Gamma ray


  • 11. 
           device that uses a coated phosphor surface todetect ionizing radiation
    • A. 

      Half-life

    • B. 

      Scintillation counter

    • C. 

      Geiger counter


  • 12. 
            reaction in which two light nuclei combine toform a nucleus of greater mass
    • A. 

      Fusion

    • B. 

      Fission

    • C. 

      Fassion


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