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- 1. Multiple ChoiceWhat type of decay changes the atomic number of the atom?TransmutationTranslationTranslocationTransuranium
- 2. Multiple ChoiceWhich of the following best describes the process of nuclear fission?Splitting an atom's nucleus apartSeparating an atom's electrons from its nucleusFusing two atomic nuclei togetherSplitting an atom's electrons in half
- 3. Multiple ChoiceWhich of the following is an example of nuclear fusion?A plutonium atom is used to start a chain reaction that detonates a nuclear weaponA uranium atom is split apart into lighter elementsTwo hydrogen atoms are combined to form a helium atomTwo hydrogen atoms bond with an oxygen atom to form a water molecule
- 4. Multiple Choice
Positively charged particles that consist of two protons and two neutrons are calledalpha particlesbeta particlesgamma raysneutron emissions - 5. Multiple ChoiceAn electron that is emitted during radioactive decay is aneutrongamma rayalpha particlebeta particle
- 6. Multiple ChoiceThe least penetrating type of radiationAlpha particleBeta particlegamma ray
- 7. Multiple ChoiceThis type of reaction occurs on the sun and in stars.FissionFusionsynthesisdecomposition
- 8. Multiple ChoiceA form of radiation that carries energy and has no mass and no charge.Alpha particlesBeta ParticlesGamma RaysDaughter nucleus
- 9. Multiple ChoiceWhich type of nuclear radiation is being emitted here?alphabetagammanone
- 10. Multiple ChoiceWhat element is the ?Ag-115Cd-115Pd-115Not Listed
- 11. Multiple ChoiceWhat type of decay does not change the element or the mass?AlphaBetaGamma
- 12. Multiple ChoiceWhich type of nuclear radiation is being emitted here?Alphabetagammanone
- 13. Multiple ChoiceWhat is meant by the statement that 15P32 has a half life of 14 daysIt takes 7 days to go down to 50% radioactivity each timeIt takes 14 days to go down to 50% radioactivity each timeAfter 14 days it starts to become less radioactiveIt takes 14 days to go up by 50% radioactivity each time
- 14. Multiple ChoiceThe type of radioactive particle will penetrate farthest into a material is a(n)__________.alphabetagammaall of the above
- 15. Multiple ChoiceHow many neutrons does uranium-239 have92147239331
- 16. Multiple ChoiceWhat is Half-life?The amount of time it takes for some of the nuclei in a sample of the isotope to decayThe amount of time it takes for half the electrons in a sample of the isotope to decayThe amount of time it takes for half the nuclei in a sample of the isotope to decaythe amount of time it takes to double the nuclei in a sample of the isotope to decay
- 17. 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
- 18. Multiple ChoiceBarium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?0.25g2.5g25g80g
- 19. Multiple ChoiceWhat is the symbol for an alpha particle?42He0-1e0+1 e10n
- 20. Multiple ChoiceIn a nuclear reactor what slows down neutrons?Control RodsModeratorSheildingThe brakes
- 21. Multiple ChoiceIn a nuclear reactor what absorbs fast moving neutrons?generatormoderatorcontrol rodssheilding
- 22. Multiple ChoiceIn fission neutron is often used to start the reaction and it is also a product of the reaction. This is called a ____neutron emissionnuclear fusiondomino effectchain reaction
- 23. Multiple ChoiceWhat turns the turbines in a nuclear power plant?uraniumplutoniumheatsteam
- 24. Multiple ChoiceWhat type of nuclear decay emits a positive electron from the nucleus of an atom?beta decaygamma decayalpha decaypositron emission
- 25. Multiple ChoiceWhich of the following is NOT a use for radiation?PET scanCarbon DatingSmoke DetectorsAll are uses for radiation
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