Question 1
Question detail
Explain the changes in atomic number and mass number during beta decay.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
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exam_style
Style
Topic
Atoms and nuclear radiation
Question
Explain the changes in atomic number and mass number during beta decay.
Answer
During beta decay, the atomic number increases by 1 while the mass number remains unchanged. This occurs because a neutron is converted into a proton, emitting a beta particle (electron).
Explanation
This question assesses the student's ability to explain the nuclear changes that occur during beta decay, reinforcing their understanding of atomic structure and nuclear reactions.
Common mistake
Misunderstanding Beta Decay Representation
Students often confuse the representation of beta decay with that of alpha decay, incorrectly including mass changes.
Remember that beta decay does not change the mass number; only the atomic number increases by one. Focus on the correct nuclear equation format.
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