Assertion: protactinium's isotope | /r/HasProperty | 234pa
Facets:
Source sentences:
text: 231Pa and 234Pa, with the isotope 234Pa occurring in two different energy states.
text: The first isotope of element 91 to be discovered was 234Pa, also known as UX2, a short-lived member of the naturally occurring 238U decay series.
text: 231Pa and 234Pa, with the isotope 234Pa occurring in two different energy states.
text: The first isotope of element 91 to be discovered was 234Pa, also known as UX2, a short-lived member of the naturally occuring 238U decay series.
text: 231Pa and 234Pa, with the isotope 234Pa occurring in two different energy states.