Chemical Element Number Nine
This page is the CodyCross answer for the clue below from Working From Home, Group 1224, Puzzle 1 (Wifi Connection).
Question
Chemical Element Number Nine
Answer
FLUORINE
Word Meaning:
FLUORINE — (uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.
Definitions from Wiktionary.