Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists as a pale yellow-green gas at standard temperature and pressure. Fluorine is the most electronegative element, meaning that it has a strong tendency to attract electrons. This makes fluorine a very reactive element, and it can react with most other elements.
Fluorine is used in a variety of applications, including:
The toothpaste was fluorinated to help strengthen teeth.
Noun: fluorine, fluorines.
Adjective: fluoic.
Verb: fluorinate, fluorinated, fluorinating.
The word "fluorine" is derived from the Latin word fluor, which means "flow". The Latin word fluor is also the root of the word "fluoride", which is a compound of fluorine and another element.
What can fluorine be used for?
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