Separation of the Isotopes of Uranium Requires a Physical, Rather

question 22

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

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