Assertion: alpha decay | /r/CapableOf | happen in radium
Facets:
value: usually
type: TEMPORAL
value: very
type: DEGREE
Source sentences:
text: Alpha decay usually happens in the most heavy elements, such as uranium, thorium, plutonium, and radium.
text: Usually alpha decay happen in very heavy elements like thorium, radium and uranium.
text: Alpha decay usually happens in the most heavy elements, such as uranium, thorium, plutonium, and radium.