Final answer:
The radioactive jewelry in the story symbolizes danger and the potential for harm.
Step-by-step explanation:
The symbolic role of the radioactive jewelry in the story is to represent danger and the potential for harm. Radioactive materials are often associated with risk and the need for safety precautions, as they can be hazardous if not handled properly. The radioactive jewelry serves as a symbol of the destructive power of radiation and the consequences that can arise from its misuse.