Multiple Choice
How much of a fissionable material is required to have a self-sustaining reaction?
A) A mass of the fissionable element that is three times its atomic weight is required.
B) A mass of the fissionable element that is greater than the mass of the control rods.
C) A supercritical mass of fissionable material is required and causes branching.
D) A critical mass of fissionable material is required and varies depending on the identity of the fissionable material.
Correct Answer:

Verified
Correct Answer:
Verified
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