1.

Which of the following isotopes is normally fissionable?

A. \[_{92}{{U}^{238}}\]
B. \[_{93}N{{p}^{239}}\]
C. \[\frac{9}{5}\]
D. \[\frac{{{n}^{2}}}{Z}\]
Answer» D. \[\frac{{{n}^{2}}}{Z}\]


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