Assertion: decay's life | /r/CapableOf | decay at the rate of 5.5% per year
Facets:
value: of 18.6 kev of energy
type: OTHER
value: with the release of an electron
type: OTHER
value: by beta decay
type: MANNER
Source sentences:
text: It is radioactive with a half-life of 12.3 years decaying at the rate of 5.5% per year by beta decay into Helium-3 with the release of an electron and of 18.6 keV of energy.