Assertion: neptunium | /r/HasProperty | synthetic
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Why does the information box thing claim that Neptunium is synthetic when it DOES exist in trace amounts in nature?
text: Neptunium (nep-TOO-nee-em) it a primarily synthetic element named after the planet Neptune (named after the Roman god of the sea), the next planet out from the Sun after Uranus.