* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download 1 0 +1 0 - davis.k12.ut.us
Survey
Document related concepts
Ionizing radiation wikipedia , lookup
Nuclear and radiation accidents and incidents wikipedia , lookup
Nuclear fusion wikipedia , lookup
Nuclear magnetic resonance spectroscopy of proteins wikipedia , lookup
Nuclear binding energy wikipedia , lookup
Nuclear fission wikipedia , lookup
Nuclear fission product wikipedia , lookup
Fallout shelter wikipedia , lookup
Nuclear fusionβfission hybrid wikipedia , lookup
Valley of stability wikipedia , lookup
Technetium-99m wikipedia , lookup
Nuclear drip line wikipedia , lookup
Transcript
CE Nuclear Review Name_____________________ You need to know this to do well on the TEST!!!!!! 1. Fill in the table: Alpha Beta Gamma positron neutron rays rays rays symbol e. An isotope of Curium containing 150 neutrons is bombarded with and captures a proton. f. Pm-142 undergoes electron capture. actual particle representation charges g. 142 61ππ h. ________ β ο 142 60ππ + __________ 0 +1π 226 86π π + 2. Which nuclear particle has the greatest mass? Least mass? 3. What will stop the following particles? Star the least penetrating power. alpha 5. How much fissionable material is required to have a selfsustaining reaction? 6. Define Happens in Stars or with Nuclear Energy/power? Fission beta Fusion gamma 4. Write the nuclear equation for each word equation. a. Radon β 222 is an alpha emitter. b. ___ is produced when thorium -234 emits an alpha particle. 7. Draw a magnetic field with a positive plate on the top and a negative plate on the bottom. Show how the alpha particles, beta particles, and gamma rays are affected by the charged plates. c. The decay of 32P to 32S occurs through the emission of ___. d. Einsteinium β 253 is bombarded by an alpha particle. It will release one neutron. 8. What is the main difference between a nuclear reaction and a chemical reaction? What part of the atom is involved in these types of reactions? 9. There are some elements within the periodic table that do not occur in nature, can you list a few? 17. What is the difference between hydrogen-3 and hydrogen-1? 10. How can synthetic elements be produced? 18. Write the nuclear symbol for Iron-56. ______________ 11. A 5.0 g sample of Lead-210 decays to approximately .63 g. How much time has passed if Lead-210 has a half-life of 22 years? How many Protons?__________ 12. The half-life of radium-226 is 1600 years. How many grams of a 0.25g sample will remain after 4800 years? How many electrons? __________ How many neutrons? __________ 19. What kinds of emissions can cause radiation sickness? 13. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 18.0g sample after 60 hours? 20. Define Free Radicals and describe why they are dangerous. 14. The half-life of radon-222 is 3.823 days. What was the original mass if 0.050g remains after 7.646 days? 21. List the characteristics of a diagnostic tracer. 15. The half-life of tritium ( 31π» ) is 12.5 years. Suppose you have a sample containing .020 moles of tritium. How many years would be required to reduce your sample to 3.125 x 10-4 moles? 16. How many neutrons are produced in each of the following fission reactions? 90 147 1 1 a. 239 94ππ’ + 0π ο 38ππ + 56π΅π 1 + _____ 0π b. 235 1 92π+ 0π ο 72 30ππ 1 + 160 62ππ + _____ 0π 22. List the characteristics that are important for radioisotope dating. Review Nuclear Name______Key__ 1. Fill in the table: Alpha Particle symbol Ξ± Beta Particle π ππ―π π βππ actual particle representation Charges +2 Gamma radiation positron πππ πππͺπ neutron Ξ³ Ξ² -1 e. An isotope of Curium containing 150 neutrons is bombarded with and captures a proton. f. Pm-142 undergoes electron capture. πππ πππ·π n π ππΈ 0 π +ππ +1 π ππ 0 2. Which nuclear particle has the greatest mass? Alpha Least mass? Gamma rays 3. What will stop the following particles? Star the least penetrating power. alpha Paper/ skin beta 0.5 cm lead gamma Thick lead or 6 feet concrete 4. Write the nuclear equation for each word equation. a. Radon β 222 emits an alpha particle. πππ πππΉπ ο πππ―π + πππ πππ·π πππ πππ»π ο πππ―π + πππ πππΉπ + πππ―ο πππ πππ©π + π πππ βππο πππ΅π g. 142 61ππ h. πππ ππππ ο β 142 60ππ 0 +1π + +πππ + 226 86π π 5. How much fissionable material is required to have a selfsustaining reaction? Critical mass 6. Fission Splitting of Nuclear energy/power Fusion atoms Putting atoms together plants Sun and stars 7. Draw a magnetic field with a positive plate on the top and a negative plate on the bottom. Show how the alpha particles, beta particles, and gamma rays are affected by the charged plates. b. _______ is produced them thorium -234 emits an alpha particle. c. The decay of ππ πππ· ο βπππ + ππ πππΊ d. Einsteinium β 253 is bombarded by an alpha particle. It will release one neutron. πππ πππ¬π + πππ―π ο πππ + πππ ππππ΄π 8. What is the main difference between a nuclear reaction and a chemical reaction? What part of the atom is involved in these types of reactions? Nuclear rxns happen in the nucleus, releasing lots of energy as the nucleus splits or fuses. Chemical reactions happen with the electrons, bonds are being broken or formed. 9. There are some elements within the periodic table that do not occur in nature, can you list a few? Technetium, neptunium, elements 93 and upβ¦ 10. How can synthetic elements be produced? Bombarding an atom with a neutron or alpha particle. 11. A 5.0 g sample of Lead-210 decays to approximately .63 g. How much time has passed if Lead-210 has a half-life of 22 years? 65.7 or approximately 66 years 12. The half-life of radium-226 is 1600 years. How many grams of a 0.25g sample will remain after 4800 years? 0.031g 13. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 18.0g sample after 60 hours? 1.13 g 17. What is the difference between hydrogen-3 and hydrogen-1? 2 neutrons more in the hydrogen-3 18. Write the nuclear symbol for Iron-56. How many Protons?____26______ ππ ππππ How many neutrons? ___30_______ How many electrons? ___26_______ 19. What kinds of emissions can cause radiation sickness? Alpha, beta, gamma 20. Define Free Radicals and describe why they are dangerous. Electron deficient, very reactive 21. List the characteristics of a diagnostic tracer. Short ½-life, nontoxic daughter 14. The half-life of radon-222 is 3.823 days. What was the original mass if 0.050g remains after 7.646 days? .2 g 15. The half-life of tritium ( 31π» ) is 12.5 years. Suppose you have a sample containing .020 moles of tritium. How many years would be required to reduce your sample to 3.125 x 10-4 moles? 75 years 16. How many neutrons are produced in each of the following fission reactions? 90 147 1 1 a. 239 94ππ’ + 0π ο 38ππ + 56π΅π 1 + 3 0π b. 235 1 92π+ 0π ο 72 30ππ 1 + 160 62ππ + 4 0π 22. List the characteristics that are important for radioisotope dating. Long ½-life