Question detail
What does conservation of charge in a nuclear equation ensure?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and nuclear radiation
Question
- A. The total charge before decay equals the total charge after decay.
- B. The total mass before decay equals the total mass after decay.
- C. The number of protons remains unchanged.
- D. The number of neutrons remains unchanged.
Answer
The total charge before decay equals the total charge after decay.
Explanation
Conservation of charge states that the total charge must remain constant in a nuclear reaction, meaning the charge before decay must equal the charge after decay.
Common mistake
Common Mistake in Nuclear Equations
Students often forget to balance both the mass number and atomic number when checking nuclear equations.
Always check that the total mass numbers and total atomic numbers on both sides of the equation are equal to ensure conservation of nucleon number and charge.
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