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The template shows a periodic table with small cells. Each cell is wikilinked to the element's article, and the background color is the category as used (commonly) on this wiki. Each cell is wikilinked to the element's article, and the background color is the category as used (commonly) on this wiki.
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This is a documentation subpage for Template:Periodic table. It may contain usage information, categories and other content that is not part of the original template page. This periodic table is the prime form presented at this English wikipedia.
This periodic table is the prime form presented at this English wikipedia. See Periodic table#Overview. Usage. periodic table; Template:Periodic table legend ...
Fluorine is a chemical element; it has symbol F and atomic number 9. It is the lightest halogen [note 1] and exists at standard conditions as pale yellow diatomic gas. Fluorine is extremely reactive as it reacts with all other elements except for the light inert gases. It is highly toxic.
This is a documentation subpage for Template:Periodic table (with pictures). It may contain usage information, categories and other content that is not part of the original template page. Usage
The fluorine–fluorine bond of the difluorine molecule is relatively weak when compared to the bonds of heavier dihalogen molecules. The bond energy is significantly weaker than those of Cl 2 or Br 2 molecules and similar to the easily cleaved oxygen–oxygen bonds of peroxides or nitrogen–nitrogen bonds of hydrazines. [8]