Multiple Choice
Separation of the isotopes of uranium requires a physical, rather than chemical, method because:
A) mixing other chemicals with uranium is too dangerous
B) the isotopes are chemically the same
C) the isotopes have exactly the same number of neutrons per nucleus
D) natural uranium contains only 0.7% 235U
E) uranium is the heaviest element in nature
Correct Answer:

Verified
Correct Answer:
Verified
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