Assertion: neptunium | /r/HasProperty | discovered by philip abelson
Facets:
value: in 1940
type: TEMPORAL
value: in the usa
type: LOCATION
Source sentences:
text: Neptunium was discovered by Edwin McMillan and Philip Abelson in the USA in 1940 History of the Periodic Table
text: Neptunium (named for the planet Neptune, the next planet out from Uranus, after which uranium was named) was first discovered by Edwin McMillan and Philip Abelson in 1940.
text: Neptunium (named for the planet Neptune) was first discovered by Edwin McMillan and Philip Abelson in 1940.