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Questions and Answers
Which of the following best describes why some atomic nuclei are unstable?
Which of the following best describes why some atomic nuclei are unstable?
- They emit high energy particles or waves
- There is an imbalance in the forces within the nucleus (correct)
- They have a large size
- They have too many or too few neutrons
Which isotope of carbon is stable?
Which isotope of carbon is stable?
- Carbon-15
- Carbon-12 (correct)
- Carbon-13
- Carbon-14
Which of the following best describes the process of emitting radiation from unstable nuclei?
Which of the following best describes the process of emitting radiation from unstable nuclei?
- Nuclear fusion
- Radioactive decay (correct)
- Nuclear fission
- Nuclear transmutation
What is the effect of emitting radiation on the overall energy of the nucleus?
What is the effect of emitting radiation on the overall energy of the nucleus?
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Why are some isotopes unstable?
Why are some isotopes unstable?
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