sentence: Fluorine is a light yellow diatomic gas.
sentences_after: It is very reactive gas, which exists as diatomic molecules. It is actually the most reactive element. Fluorine has a very high attraction for electrons, because it is missing one. This makes it the most powerful oxidizing agent. It does not need a spark.
concept_name: fluorine
headings: Fluorine Properties
categories: Nonmetals Halogens