Assertion: chlorine | /r/HasProperty | useful
Facets:
value: for geologic
type: PURPOSE
value: in studying and synthesizing organic compounds
type: TRANSITIVE-OBJECT
value: especially
type: DEGREE
Source sentences:
text: Chlorine has been especially useful in studying and synthesizing organic compounds—compounds of mostly carbon and hydrogen.
text: it is useful for geologic dating because of its half-life of 308,000 years.