Assertion: decay's proton | /r/HasProperty | unstable
Facets:
value: depending on the nuclide
type: OTHER
value: with very long half-life
type: OTHER
Source sentences:
text: It must be added some theories have suggested that protons are in fact unstable with very long half-life (~1030 years) and that they decay into leptons.
text: Neutrons or protons bound in a nucleus can be stable or unstable, however, depending on the nuclide.