Fluorine - Wikiparency

# Fluorine ## 🧊 Fluorine · 3D (three.js) <iframe src="https://wikitube-elements.netlify.app/?el=F&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Fluorine"></iframe> *Fluorine in the live three.js Elements explorer — drag to orbit the atom, click any tile to compare, slide the temperature.* · [▶ open full](https://wikitube-elements.netlify.app/?el=F)  !Fluorine plate.svg *Plate 9 of 118 - animated Bohr shells, stylized per Madelung filling; engraving style per house Arcanity kit.* ## Microsim To Do *Claimable rows, house pattern. Real Wikipedia articles only.* - Fluorine chemistry - electronegativity and C-F bond strength in synthesis - Chlorofluorocarbon - CFC refrigerants and ozone depletion history - Uranium hexafluoride - UF₆ in nuclear fuel enrichment processes - Dental fluorosis - fluoride in water, toothpaste, and public health - Fluorination_in_organic_synthesis - carbon-fluorine bonds in pharmaceuticals ## Links (Wikipedia order)  `1,1,1,2-Tetrafluoroethane` · `1,1-Dichloro-1-fluoroethane` · `Abundance_of_elements_in_Earth's_crust` · `Abundance_of_the_chemical_elements` · `Acid_dissociation_constant` · [[Actinium]] · `Adduct` · `Alkali_metal` · `Alkaline_earth_metal` · `Alkane` · `Allotropy` · [[Aluminium]] · [[Americium]] · `Ammonium_fluoride` · `Andreas_Sigismund_Marggraf` · `André-Marie_Ampère` · `Anesthetic` · `Anode` · `Antidepressant` · [[Antimony]] · `Antimony_pentafluoride` · `Antozonite` · `Arginine_alpha-ketoglutarate` · [[Argon]] · `Argon_fluoride_laser` · `Argon_fluorohydride` · [[Arsenic]] 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`Vitamin_C` · `Vitamin_D` · `Vitamin_E` · `Vitamin_K` · `Water_fluoridation` · `Water_supply` · [[Wayback_Machine]] · `Wheatgrass` · `Wolf–Rayet_star` · `World_War_II` · [[Xenon]] · `Xenon_difluoride` · `Xenon_hexafluoride` · `Xenon_hexafluoroplatinate` · `Xenon_tetrafluoride` · `Yohimbine` · [[Ytterbium]] · [[Yttrium]] · [[Zinc]] · `Zinc_gluconate` · [[Zirconium]] > **Official MAIN - Chemical element, Z = 9.** Part of the Elements Canon (one canonical page per element). Infobox grounded in [Wikipedia: List of chemical elements](https://en.wikipedia.org/wiki/List_of_chemical_elements), fetched 2026-07-08. Full article: [Wikipedia: Fluorine](https://en.wikipedia.org/wiki/Fluorine).  ## Key facts (infobox) | | | |---|---| | Symbol - Z | F - 9 | | Group - Period - Block | 17 - 2 - p-block | | Atomic weight (Da) | 18.998 | | Density (g/cm3) | 0.001696 | | Melting - Boiling (K) | 53.53 - 85.03 | | Electronegativity (Pauling) | 3.98 | | Crustal abundance (mg/kg) | 585 | | Origin | primordial | | Phase (STP) | gas | | Name origin | Latin fluo, 'to flow' | *Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).* ## Story Fluorine was isolated in 1886 by French chemist Henri Moissan through electrolysis of molten potassium hydrogen fluoride, a landmark achievement that earned him the Nobel Prize in Chemistry. The element's name comes from the Latin *fluere*, meaning "to flow," referring to its use as a flux in metallurgical processes since antiquity. Medieval miners called fluorspar (calcium fluoride) "fluor" because it lowered the melting point of metal ores, enabling more efficient smelting [model-prior - verify]. Fluorine is the most electronegative of all elements and exists as a pale yellow diatomic gas that is extremely reactive and corrosive. Its intense electronegativity means fluorine atoms form some of the strongest single bonds in chemistry, and fluorinated compounds are extraordinarily stable and resistant to chemical breakdown. This property makes fluorine invaluable in synthetic chemistry: refrigerants like CFC and HFC compounds leverage fluorine's stability, as do uranium enrichment processes using uranium hexafluoride (UF₆) [model-prior - verify]. Fluorine compounds also appear in toothpaste as fluoride to prevent dental caries, and in specialized pharmaceuticals where carbon-fluorine bonds enhance drug efficacy and metabolic stability. In this corpus, fluorine represents the **frontier of synthetic chemistry** and the double-edged sword of human innovation—enabling crucial applications while introducing environmental challenges (ozone-depleting CFCs) that shaped modern environmental policy. ## Corpus connections - R.E.A.C.T.I.O.N. - the Chemistry hub - Centers of Excellence Portal - [[Technetium|Technetium - the element made before found]] - the canon's patron - and Technitium, the School - External: [Uranium_enrichment - en.wikipedia.org](https://en.wikipedia.org/wiki/Uranium_enrichment) for UF₆ gaseous diffusion - External: [Refrigerant - en.wikipedia.org](https://en.wikipedia.org/wiki/Refrigerant) and CFC/ozone depletion history - SOLAR SYSTEM MINING SURVEYS - fluorine isotope ratios in meteoritic analysis ## Vocational-Technical Semiotics The element speaks the canon's shared signs: the periodic table cell (F, group 17, period 2), isotope notation, and hazard pictograms ghs where handling demands it. ## Sources Infobox: [en.wikipedia.org/wiki/List_of_chemical_elements](https://en.wikipedia.org/wiki/List_of_chemical_elements) (fetched 2026-07-08); etymology per the same table's notes. Story sources to be added at enrichment. ## Navigation - Canon: Elements Canon index - neighbors by Z: [[Oxygen|Oxygen (8)]] - [[Neon|Neon (10)]] - R.E.A.C.T.I.O.N. - Centers of Excellence ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Fluorine) : [Wikitube](https://en.wikitube.io/wiki/Fluorine) ## Previous hub tags Tree parents: [[Helium]] · [[Hydrogen]] · [[Oxygen]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*