Physics · Nuclei
The plutonium isotope 239 Pu is characterized by which of the following properties?
- 1It is radioactive and highly fissionable by thermal neutrons✓
- 2It is stable but can be made fissionable by fast neutrons
- 3It is radioactive but cannot undergo nuclear fission
- 4It is highly stable and non-radioactive
Correct answer
It is radioactive and highly fissionable by thermal neutrons
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