The most abundant isotope of natural uranium is ___________________?
Correct answer: A. 92U238
- A. 92U238
- B. 92U235
- C. 92U234
- D. None of these
Explanation
Natural uranium consists predominantly of uranium-238, about 99.3%, whereas uranium-235 is only about 0.7% and uranium-234 is present in trace amounts. Thus the most abundant isotope is ²³⁸₉₂U.
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