Assertion: lived radioactive metallic element | /r/CapableOf | disintegrate into actinium
Facets:
Source sentences:
text: atomic number 91; Pa; protactinium; protoactinium (a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead)
text: Pa, atomic number 91, protactinium, protoactinium a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
text: Pa, atomic number 91, protactinium, protoactinium a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead
text: protactinium a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead