Assertion: atom's nucleus | /r/HasProperty | packed
Facets:
value: more tightly
type: MANNER
Source sentences:
text: A second method used is that of implosion, in which a core of fissionable material is suddenly compressed into a smaller size and thus a greater density; because it is denser, the nuclei are more tightly packed and the chances of an emitted neutron’s striking a nucleus are increased.