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- 1. Multiple Choice
When the isotope 5024X releases an alpha particle we get another element Y that looks like
5022Y
4622Y
4820Y
5426Y
- 2. Multiple Choice
When the isotope 5024X releases a beta particle we get another element, Y, that looks like
5023Y
4622Y
5025Y
5024Y
- 3. Multiple Choice
What is meant by the statement that 3215P has a half life of 14 days
It takes 7 days to go down to 50% radioactivity each time
It takes 14 days to go down to 50% radioactivity each time
After 14 days it starts to become less radioactive
It takes 14 days to go up by 50% radioactivity each time
- 4. Multiple Choice
In order of most to least penetrating radiation we have
Alpha , Beta, Gamma
Beta , Gamma , Alpha
Gamma, Beta, Alpha
Gamma, Alpha, Beta
- 5. Multiple ChoiceThe half life of Thorium-234 is 24 days. What fraction of the element remains after 96 days1/21/41/81/16
- 6. Multiple ChoiceWhich type of nuclear radiation is being emitted here?Alphabetagammanone
- 7. Multiple ChoiceHas the symbolAlphaBetaGamma
- 8. Multiple ChoiceHas the symbolAlphaBetaGamma
- 9. Multiple ChoiceHas the symbolAlphaBetaGamma
- 10. Multiple Choice
Which type of radioactive decay gives off energy only (no particles)?
alpha
beta
gamma
- 11. Multiple Choice
Complete the nuclear equation and determine the type of decay that is occurring in this reaction.
alpha, 42He
beta, 0-1e
gamma
none
- 12. Multiple ChoiceThe time taken for half of an amount of radioactive atoms to decay.Nuclear fusionFull-lifeDead timeHalf-life
- 13. Multiple ChoiceGamma rays have a _____ charge0+1-1+2
- 14. Multiple ChoiceAlpha particles have a _____ charge.+20+1-1
- 15. Multiple ChoiceWhat type of decay is this?
7534Se + 0-1e --> 7533AsElectron CapturePositron EmissionAlpha DecayBeta Decay - 16. Multiple ChoiceThe technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?33.0 mg12.5 mg.33 mg15.8 mg
- 17. Multiple Choice
Beta particles have a _____ charge.
+2
0
+1
-1
- 18. Multiple Choice
Which type of radiation can be found on the electromagnetic spectrum?
alpha
beta
gamma
- Answer choicesTagsAnswer choicesTags