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- 1. Multiple ChoiceThe time required for half of a sample of a radioactive substance to undergo nuclear decay is called __________.Decay TimeHalf LifeAtoms don't decayIsotope time
- 2. Multiple ChoiceWhich type of radiation is most penetrating?GammaThey are equalBetaAlpha
- 3. Multiple ChoiceWhich produces more energy--nuclear fission or nuclear fusion?FusionFissionThey produce the same amountIt depends on the elements used
- 4. Multiple ChoiceWhen one large nucleus is split into two smaller nuclei, the process is nuclear _____.FusionFissionTracingDecay
- 5. Multiple ChoiceTwo or more nuclei combine to form one larger nucleus in the process of nuclear _____.FusionFissionTracingDecay
- 6. Multiple ChoiceBeta particles have a _____ charge+10-1+2
- 7. Multiple ChoiceHow much Iodine-125 will remain after 100 years if the original sample had a mass of 80 grams and the half-life of I-125 is 25 years?20 grams2.5 grams5 grams10 grams
- 8. Multiple Choice
Which type of reaction does the diagram illustrate?
Fission
Fusion
Alpha Decay
Beta Decay
- 9. Multiple Choice
For the balanced equation, which particle is represented by X?
0-1 e
11 H
42 H
10 n
- 10. Multiple Choice
Which reaction represents fusion?
- 11. Multiple Choice
Which reaction represents fission?
- 12. 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
- 13. Multiple Choice
After 22,800 years, approximately what percentage of the original carbon-14 remains?
15%
12.5%
6.25%
3.125%
- 14. Multiple ChoiceWhat is the half-life of iodine-131?32 days8 days16 days24 days
- 15. Multiple ChoiceWhat particle completes this reaction?alpha particlebeta particlegamma particleneutron
- 16. Multiple ChoiceWhat is the symbol for an alpha particle?42He0-1e0+1 e10n
- 17. Multiple ChoiceWhat is the missing isotope that will balance the following nuclear equation?
94Be + 11H → _____ + 42He105B105Ne63Li63C - 18. Multiple ChoiceWhich type of nuclear radiation is being emitted here?Alphabetagammanone
- 19. Multiple ChoiceHas the highest penetrating power. Can penetrate our body. Even several cm thick of lead or several meters thick of concrete cannot stop all of it.AlphaBetaGamma
- 20. Multiple ChoiceHas the symbolAlphaBetaGamma
- Answer choicesTagsAnswer choicesTags