Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
A chemical element with the symbol F and atomic number 9. It belongs to the halogen family and is highly reactive, often found in compounds rather than pure form.
Related terms
Halogens: A group of highly reactive elements that share similar properties with fluorine.