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- 1. Multiple Choice
Which reaction produces harmful radioactive waste?
Fission
Photosynthesis
chain reaction
Fusion
- 2. Multiple Choice
_____is the joining of atomic nuclei
Fusion
chain reaction
Photosynthesis
Fission
- 3. Multiple Choice
_______is the splitting of atomic nuclei
Fission
nuclear reaction
Fusion
bayler reaction
- 4. Multiple Choice
Which process occurs naturally in the centre of stars like the Sun
Bi-multiple reaction
Fission
chemical
fusion
- 5. Multiple ChoiceWhat is a chain reaction?When electrons are emitted causing electricityWhen a nuclear fission reaction occurs, the protons emitted can strike other nuclei in the sample, and cause them to splitWhen a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to splitWhen a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split
- 6. Multiple Choice
How is the alpha particle written in a nuclear equation?
42He
24He
0-1e
00γ
- 7. Multiple Choice
Which type of nuclear radiation is being emitted here?Alphabetagammanone - 8. Multiple ChoiceSolve this equation for alpha decay.
85209At = ___ + 24He83205Bi86209Rn81207Tl85208At - 9. Multiple Choice
Gamma rays have
no mass
a huge mass
a small mass
an average mass
- 10. Multiple ChoiceSolve this equation for beta decay.
614C = ___ + -10e410Be714N210He613C - 11. Multiple Choice
During beta-particle emission, a neutron splits into a____________________.
proton and electron
neutron and electron
neutron and proton
- 12. Multiple ChoiceHas the symbolAlphaBetaGamma
- 13. 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
- 14. Multiple Choice
Has the lowest penetrating power. Can only penetrate 0.05 mm into the body and can be stopped by the skin.
AlphaBetaGammaElectron capture
- 15. Multiple ChoiceUranium-238 decays into Thorium-234 by emitting .........an alpha particlea beta particlegamma raysvisible light
- 16. Multiple ChoiceRadioactive materials have unstable...electronsprotonsnucleineutrons
- 17. Multiple ChoiceIn a correctly written symbol what would be located in the "A" position?number of neutronsatomic numbernumber of electronsmass number
- 18. Multiple ChoiceWhat is the half-life of iodine-131?32 days8 days16 days24 days
- 19. Multiple Choice
The % of the parent isotope remaining after 2 Half Lives.
50%
25%
12.5%
6.25%
- 20. 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
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