Assertion: uranium | /r/HasProperty | unstable
Facets:
Source sentences:
text: Uranium is an atomic element that is unstable.
text: Uranium is unstable, but not very unstable -- any particular atom might break in a billion years, or might not.
text: Whenever you hear about nuclear reactions, you almost always hear Uranium 235 linked with it as being quite suitable for splitting because it is unstable (At least I do).
text: I know the amount of protons in an atom determines what element it is and a certain isotopic ratio of protons to neutrons determines if it is unstable or not, and I always hear how Uranium 235 is the perfect element for nuclear fission because it is unstable and breaks easily.