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- 1. Multiple ChoiceThe splitting of a nucleus into smaller nuclei isfusionfissionhalf-lifegamma radiation
- 2. Multiple ChoiceHow do nuclear power-plants work?FusionHalf-lifeFissionFusion or fission
- 3. Multiple ChoiceWhere does fusion occur naturally?UnderwaterAll around usIn the radioactive wasteOn the sun
- 4. Multiple Choice
Complete the nuclear equation and determine the type of decay that is occurring in this reaction.alphabetagammanone - 5. Multiple ChoiceWhich type of radioactive decay is occurring in this equation?Alpha decaybeta decaygamma decaypositron emission
- 6. Multiple ChoiceWhich of the following is true about nuclear fusion?It is easy to implement.It produces less energy than nuclear fission.It produces more energy than nuclear fission.It has the ability to occur easily in everyday life.
- 7. Multiple ChoiceWhich type of radioactive decay is occurring in this equation?Alpha decaybeta decaygamma decaypositron emission
- 8. Multiple ChoiceVery high temperature and pressure is required for:FissionFusionRadioactive Decay
- 9. Multiple ChoiceThis is the symbol for a(n)alpha particlebeta particlegamma particle
- 10. Multiple Choice
This is the symbol for a(n)
alpha particle
beta particle
gamma particle
- 11. Multiple ChoiceWhat particle completes this reaction?alpha particlebeta particlegamma particleneutron
- 12. Multiple ChoiceWhat element is the ?Ag-115Cd-115Pd-115Not Listed
- 13. Multiple ChoiceWhich type of nuclear radiation is being emitted here?alphabetagammanone
- 14. Multiple ChoiceWhat element is the ?Ag-115Cd-115Pd-115Not Listed
- 15. Multiple Choice42He0-1 e00Y178O
- 16. Multiple Choice42He0-1 e00Y178O
- 17. Multiple Choice
The most penetrating type of radiation is...
beta ray
alpha ray
gamma ray
nuclide
- 18. Multiple Choice
For which of the following would a scientist most likely use carbon-14?
to identify the elements that make up a bone
to identify the elements that make up a rock
to find hidden treasure
to calculate the age of a piece of bone
- 19. Multiple Choice
The time it takes for half of the radioactive nuclei in a sample to decay:
strong nuclear force
half-life
radioactive time
alpha decay
- 20. Multiple Choice
21084Po → 42He + ____________
21482Pb
20682Pb
21486Rn
20684Rn
- 21. Multiple Choice
____________→ 23490Th + 42He
22893Np
23088Te
23892U
23890Th
- 22. Multiple Choice
What is produced when Br-82 undergoes alpha decay.
7834Se
8637Rb
7833As
8034Se
- 23. Multiple Choice
Write a nuclear equation for Fr-230 when it undergoes beta decay.
23087Fr → 42 He + 22685At
23087Fr → 0-1 e + 23086Rn
23087Fr → 42 He + 23489Ac
23087Fr → 0-1 e + 23088Ra
- 24. Multiple Choice
You have 55 grams of Bromine with a half-life of 3.3 seconds. Mass after 3 half lives?
55 grams
6.875 grams
13.75 grams
27.5 grams
- 25. Multiple Choice
What percentage of rubidium-87 atoms will be left after four half lives?
25.0%
12.5%
6.25%
3.125%
- 26. Multiple Choice
A sample of wood that originally contained 100 grams of carbon-14 now contains only 25 grams of carbon-14. Approximately how many years ago was this sample part of a living tree?
2,850 years
5,700 years
11,400 years
17,100 years
- 27. Multiple ChoiceThe half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?100.0g50.0g12.5g8.5g
- 28. Multiple ChoiceIf 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.1.25mg1.25g10g10mg
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