Assertion: cobalt's isotope | /r/HasProperty | radioactive
Facets:
Source sentences:
text: In addition, cobalt can be broken down into radioactive isotopes, which have a number of uses in medicine, industry, and research.
text: Some isotopes of cobalt are radioactive and ingesting it in large quantities can cause problems with your cardiovascular and respiratory systems, but it is found in small quantities in vitamin B12.
text: Its radioactive isotope is used in imaging and food irradiation.