Assertion: fluorine | /r/HasAspect | melting point of about 109 k.
Facets:
Source sentences:
text: It remains liquid at 90 K and so can be differentiated from O 2 F 2 which has a melting point of about 109 K.
text: It remains liquid at 90 K and so can be differentiated from O 2 F 2 which has a melting point of about 109 K.