Assertion: occurring protactinium | /r/HasProperty | an alpha emitter
Facets:
Source sentences:
text: It has a half-life of 32,700 years and is an alpha emitter formed by the decay of 235U. Other uranium decays produce isotopes of protactinium.
text: It has a half-life of 32,700 years and is an alpha emitter formed by the decay of 235U. Other uranium decays produce isotopes of protactinium.