Assertion: protactinium | /r/HasProperty | derived
Facets:
value: from the greek language words
type: OTHER
Source sentences:
text: The name protactinium is derived from the Greek language words protos (the first) and aktos (radiation).
text: The name protactinium is derived from the Greek language words protos (the first) and aktos (radiation).
text: The name protactinium is derived from the Greek language words protos (the first) and aktos (radiation).