Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Fluorine gas (F2) is a diatomic molecule consisting of two fluorine atoms bonded together. It is a highly reactive halogen gas that has a pale yellow color and a strong odor.
Related terms
Diatomic molecule: This refers to molecules made up of two atoms bonded together. Examples include oxygen (O2), hydrogen (H2), and fluorine (F2).
Halogens: These are a group of highly reactive nonmetallic elements, including fluorine, that are found in Group 17 on the periodic table.
Pale yellow color: Fluorine gas has this specific color when observed under normal conditions.