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Radioactivity Quiz

Select the Response that corresponds to the displayed Statement.
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1. When sources of radiation are outside the body, which types are most dangerous?




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2. What task did Ernest Rutherford set to his students, Geiger and Marsden?




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3. Gamma rays are . . .




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4. When a gamma ray is emitted by a radioactive nucleus . . .




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5. Carbon-14 is a radioactive isotope of carbon-12. How is it used?




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6. In Rutherford's experiment, what were the main observations?




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7. How much of radioactive material X remains after 3 half lives




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8. The nucleus which emits radiation is referred to as a parent. What is its decay product called?




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9. A beta decay occurs when . . .




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10. The products of nuclear fission are themselves radioactive. This causes problems because . . .




Select the Statement that corresponds to the displayed Response.
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11. Protons




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12. monitor or control the thickness of materials.




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13. The nucleus is tiny, very massive and positively charged.




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14. moving around the nucleus




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15. many cm of lead or metres of concrete.




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16. stable isotopes of lead.




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17. Alpha




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18. nuclear fission.




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19. the relative proportions of uranium and lead in the rock.




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20. a few mm of metal.





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Created by: J Thomson
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