Enter a clue or pattern or both:
The Clue
Fluorine or chlorine (7 letter answer)
The Answer
HALOGEN
Tags
Notes
The answer HALOGEN is rarely seen, appearing only about once every 2400 puzzles.
Related Clues
Chlorine or iodine
Fluorine or iodine
Iodine or chlorine
Kind of lamp
Lamp type
Definition
HALOGEN as a noun:
1. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions