2. 1 This is Jeopardy Nuclear Chemistry

3. 2 Category No. 1 Category No. 2 Category No. 3 Category No. 4 Category No. 5 100 200 300 400 500 Final Jeopardy

4. 3 C1-100-The answer is… This is the process in which an unstable nucleus emits particles and energy Radioactivity Back

5. 4 C1-200-The answer is… This is the name of an unstable isotope Radioisotope Back

6. 5 C1-300-The answer is… When an element undergoes nuclear decay it…. Changes into a new element Back

7. 6 C1-400-The answer is… What type of decay produces energy instead of a particle? gamma Back

8. 7 C1-500-The answer is… What type of radiation occurs when Radium – 226 decays to Radon – 222? Alpha Back

9. 8 C2-100-The answer is… If the half life is 12.32 years, what fraction will be left after 37 years? 1/8 Back

10. 9 C2-200-The answer is… What is half-life? The amount of time it takes for ½ of a radioactive sample to decay Back

11. 10 C2-300-The answer is… Nuclear reaction rates are __________, they do not change as a result of outside influence. constant Back

12. 11 C2-400-The answer is… What is a transmutation? A nuclear change when an element turns into another element Back

13. 12 C2-500-The answer is… This force is what holds the nucleus together. Strong nuclear force Back

14. 13 C3-100-The answer is… The strong nuclear force only works over ___________ distances short Back

15. 14 C3-200-The answer is… During fission, large amounts of energy are produced from _____? Small amounts of mass Back

16. 15 C3-300-The answer is… Over long distances the __________ force becomes stronger than the ____________ Electric, strong nuclear Back

17. 16 C3-400-The answer is… What is the main advantage of using nuclear energy to produce electricity? No pollution Back

18. 17 C3-500-The answer is… In what state must matter be for fusion to take place? plasma Back

19. 18 C4-100-The answer is… What is the disadvantage of fusion verses fission? Fusion needs extremely high temperatures Back

20. 19 C4-200-The answer is… Radioactive materials have unstable… nuclei Back

21. 20 C4-300-The answer is… An alpha particle is made up of… 2 protons and 2 neutrons Back

22. 21 C4-400-The answer is… What happens to the atomic number during alpha decay? It decreases by 2 Back

23. 22 C4-500-The answer is… What happens to the atomic number during beta decay? It increases by 1 Back

24. 23 C5-100-The answer is… This type of nuclear decay travels the farthest. gamma Back

25. 24 C5-200-The answer is… What happens to the atomic number during gamma decay? Stays the same Back

26. 25 C5-300-The answer is… Fusion occurs when….. Nuclei combine Back

27. 26 C5-400-The answer is… In the equation E=mc 2, c stands for? Speed of light Back

28. 27 C6-500-The answer is… What is fission? The breaking apart of a nucleus Back

29. 28 Final Jeopardy Describe the three types of nuclear decay including the following info. Type of particle Range What it’s stopped by Alpha – helium nuclei, short, paper Beta – electron, mid-range, thin metal Gamma – energy, long range, thick concrete or lead Back End Game