Assertion: protactinium | /r/HasProperty | 231pa
Facets:
Source sentences:
text: The most stable and abundant isotope of Protactinium (231Pa) has a half-life of 32,760 years and is itself produced through the decay chain of uranium (235U).
text: Protactinium is a radioactive actinide with little known about its properties and no The most stable and abundant isotope of Protactinium (231Pa)