sentence: Fluorine is very poisonous.
sentences_before: 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. Metals can catch on fire when placed in a stream of fluorine. After it is reduced by reacting with other things, it forms the stable fluoride ion.
sentences_after: Fluorine bonds very strongly with carbon. It can react with the unreactive noble gases. It explodes when mixed with hydrogen.
concept_name: fluorine
headings: Fluorine Properties
categories: Nonmetals Halogens