Exam-style question
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Which of the following describes beta decay?.
- A.A neutron changes into a proton and emits a beta particle.
- B.A proton changes into a neutron and emits a beta particle.
- C.A proton emits a positron and becomes a neutron.
- D.A neutron emits a positron and becomes a proton.
Model answer
What a good answer should say
- A neutron changes into a proton and emits a beta particle.
Explanation
Why this works
In beta decay, a neutron is transformed into a proton, resulting in the emission of a beta particle (an electron). This process is crucial for understanding nuclear reactions and stability.
Common mistake
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