Uranium-235, uranium-238 and uranium-239 are different
A) elements.
B) ions of the same element.
C) isotopes of the same element.
D) none of the above
Correct Answer:
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Q14: The conversion of mass to energy of
Q15: Which has the smaller critical mass; U-235
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Q21: U-235 and Pu-239 are both
A)radioactive isotopes.
B)fissionable isotopes.
C)heavier
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Q24: When a nucleus of U-238 absorbs a
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