Assertion: fluorine | /r/HasProperty | 9 f
Facets:
Source sentences:
text: Fluorine ( 9 F) has 17 known isotopes, with atomic masses ranging from 14F to 31F (with the exception of 30F), and two isomers (18mF and 26mF).
text: Fluorine ( 9 F) has 17 known isotopes, with atomic masses ranging from 14F to 31F (with the exception of 30F), and two isomers (18mF and 26mF).