Fluorine
F18.99840316 g/mol Calculated
Also called Element-F.
The most reactive element in existence, which attacks almost everything, and whose ion in toothpaste hardens enamel against decay. Element 9.
Sources and notes
- The introductionfrom sourceMoleculeFinder curated
- Other namesfrom sourcePubChem / Wikidata
- Formula and weightcomputedPubChem
- 2D drawingcomputedPubChem structure, drawn by RDKit
Where you encounter it
A pure element or an engineered material, rather than an ingredient in a product.
Sources and notes
- The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.
Properties and sources
Calculated by PubChem
- Molecular formula
- F
- Molecular weight
- 18.99840316 g/mol
Groups it belongs to
- Category
- Element & material
- Family
- Chemical elements
- Chemical groups
- Halogenated
- Elements
- Fluorine
- Size
- Under 100 g/mol
SMILES
[F]PubChem CID 5360525 · Wikidata Q650 · InChIKey YCKRFDGAMUMZLT-UHFFFAOYSA-N · Data refreshed
Questions
- What is Fluorine?
- The most reactive element in existence, which attacks almost everything, and whose ion in toothpaste hardens enamel against decay. Element 9.
Sources and notes
- Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
- Data refreshedfrom sourceMoleculeFinder2026-11-09