Assertion: plutonium | /r/HasAspect | half-life of 24,360 years
Facets:
Source sentences:
text: When a U238 atom absorbs a neutron, it will become U239, which decays by emitting an electron (and an electron antineutrino) to make Neptunium 239, and another beta decay brings it down to Plutonium 239, which has a half-life of 24,360 years.
text: When a U238 atom absorbs a neutron, it will become U239, which decays by emitting an electron (and an electron antineutrino) to make Neptunium 239, and another beta decay brings it down to Plutonium 239, which has a half-life of 24,360 years.