Fluorine (F)

Fluorine facts

Symbol

F

Atomic number

9

Atomic mass

18.998

Family

Halogens

Period

2

Group

17

Famous reactions with fluorine

• Instant BANG! Hydrogen meets FluorineHydrogen fluoride H₂ + F₂ → 2HF · At room temperature · Try it
• A super-heavy gas! Sulfur meets FluorineSulfur hexafluoride S + 3F₂ → SF₆ · At room temperature · Try it
• A noble gas reacts! Xenon meets FluorineXenon difluoride Xe + F₂ → XeF₂ · In sunlight or when heated · Try it
• A famous gas! Uranium meets FluorineUranium hexafluoride U + 3F₂ → UF₆ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine burns water!Hydrogen fluoride + oxygen gas 2F₂ + 2H₂O → 4HF + O₂ · At room temperature · Try it

What does fluorine react with?

Fluorine makes a new substance with 86 other elements and chemicals in our lab:

• Fluorine + LithiumLithium fluoride 2Li + F₂ → 2LiF · At room temperature · Try it
• Fluorine + BerylliumBeryllium fluoride Be + F₂ → BeF₂ · At room temperature · Try it
• Fluorine + BoronBoron trifluoride 2B + 3F₂ → 2BF₃ · At room temperature · Try it
• Fluorine + CarbonCarbon tetrafluoride C + 2F₂ → CF₄ · At room temperature · Try it
• Fluorine + SodiumSodium fluoride 2Na + F₂ → 2NaF · At room temperature · Try it
• Fluorine + MagnesiumMagnesium fluoride Mg + F₂ → MgF₂ · At room temperature · Try it
• Fluorine + AluminiumAluminium fluoride 2Al + 3F₂ → 2AlF₃ · At room temperature · Try it
• Fluorine + SiliconSilicon tetrafluoride Si + 2F₂ → SiF₄ · At room temperature · Try it
• Fluorine + PhosphorusPhosphorus pentafluoride 2P + 5F₂ → 2PF₅ · At room temperature · Try it
• Fluorine + ChlorineChlorine trifluoride Cl₂ + 3F₂ → 2ClF₃ · When heated · Try it
• Fluorine + PotassiumPotassium fluoride 2K + F₂ → 2KF · At room temperature · Try it
• Fluorine + CalciumCalcium fluoride Ca + F₂ → CaF₂ · At room temperature · Try it
• Fluorine + ScandiumScandium fluoride 2Sc + 3F₂ → 2ScF₃ · At room temperature · Try it
• Fluorine + TitaniumTitanium(IV) fluoride Ti + 2F₂ → TiF₄ · At room temperature · Try it
• Fluorine + VanadiumVanadium(V) fluoride 2V + 5F₂ → 2VF₅ · At room temperature · Try it
• Fluorine + ChromiumChromium(III) fluoride 2Cr + 3F₂ → 2CrF₃ · At room temperature · Try it
• Fluorine + ManganeseManganese(III) fluoride 2Mn + 3F₂ → 2MnF₃ · At room temperature · Try it
• Fluorine + IronIron(III) fluoride 2Fe + 3F₂ → 2FeF₃ · At room temperature · Try it
• Fluorine + CobaltCobalt(III) fluoride 2Co + 3F₂ → 2CoF₃ · At room temperature · Try it
• Fluorine + NickelNickel(II) fluoride Ni + F₂ → NiF₂ · At room temperature · Try it
• Fluorine + CopperCopper(II) fluoride Cu + F₂ → CuF₂ · At room temperature · Try it
• Fluorine + ZincZinc fluoride Zn + F₂ → ZnF₂ · At room temperature · Try it
• Fluorine + GalliumGallium fluoride 2Ga + 3F₂ → 2GaF₃ · At room temperature · Try it
• Fluorine + GermaniumGermanium fluoride Ge + 2F₂ → GeF₄ · At room temperature · Try it
• Fluorine + ArsenicArsenic pentafluoride 2As + 5F₂ → 2AsF₅ · At room temperature · Try it
• Fluorine + SeleniumSelenium hexafluoride Se + 3F₂ → SeF₆ · At room temperature · Try it
• Fluorine + BromineBromine trifluoride Br₂ + 3F₂ → 2BrF₃ · At room temperature · Try it
• Fluorine + KryptonKrypton difluoride Kr + F₂ → KrF₂ · Only in a special research lab · Try it
• Fluorine + RubidiumRubidium fluoride 2Rb + F₂ → 2RbF · At room temperature · Try it
• Fluorine + StrontiumStrontium fluoride Sr + F₂ → SrF₂ · At room temperature · Try it
• Fluorine + YttriumYttrium fluoride 2Y + 3F₂ → 2YF₃ · At room temperature · Try it
• Fluorine + ZirconiumZirconium fluoride Zr + 2F₂ → ZrF₄ · At room temperature · Try it
• Fluorine + NiobiumNiobium fluoride 2Nb + 5F₂ → 2NbF₅ · At room temperature · Try it
• Fluorine + MolybdenumMolybdenum(VI) fluoride Mo + 3F₂ → MoF₆ · At room temperature · Try it
• Fluorine + TechnetiumTechnetium(VI) fluoride Tc + 3F₂ → TcF₆ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + RutheniumRuthenium(V) fluoride 2Ru + 5F₂ → 2RuF₅ · At room temperature · Try it
• Fluorine + RhodiumRhodium fluoride 2Rh + 3F₂ → 2RhF₃ · At room temperature · Try it
• Fluorine + PalladiumPalladium(III) fluoride 2Pd + 3F₂ → 2PdF₃ · At room temperature · Try it
• Fluorine + SilverSilver fluoride 2Ag + F₂ → 2AgF · When heated · Try it
• Fluorine + CadmiumCadmium fluoride Cd + F₂ → CdF₂ · At room temperature · Try it
• Fluorine + IndiumIndium fluoride 2In + 3F₂ → 2InF₃ · At room temperature · Try it
• Fluorine + TinTin(IV) fluoride Sn + 2F₂ → SnF₄ · At room temperature · Try it
• Fluorine + AntimonyAntimony(V) fluoride 2Sb + 5F₂ → 2SbF₅ · At room temperature · Try it
• Fluorine + TelluriumTellurium hexafluoride Te + 3F₂ → TeF₆ · At room temperature · Try it
• Fluorine + IodineIodine pentafluoride I₂ + 5F₂ → 2IF₅ · At room temperature · Try it
• Fluorine + CaesiumCaesium fluoride 2Cs + F₂ → 2CsF · At room temperature · Try it
• Fluorine + BariumBarium fluoride Ba + F₂ → BaF₂ · At room temperature · Try it
• Fluorine + LanthanumLanthanum fluoride 2La + 3F₂ → 2LaF₃ · At room temperature · Try it
• Fluorine + CeriumCerium(IV) fluoride Ce + 2F₂ → CeF₄ · At room temperature · Try it
• Fluorine + PraseodymiumPraseodymium fluoride 2Pr + 3F₂ → 2PrF₃ · At room temperature · Try it
• Fluorine + NeodymiumNeodymium fluoride 2Nd + 3F₂ → 2NdF₃ · At room temperature · Try it
• Fluorine + PromethiumPromethium fluoride 2Pm + 3F₂ → 2PmF₃ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + SamariumSamarium(III) fluoride 2Sm + 3F₂ → 2SmF₃ · At room temperature · Try it
• Fluorine + EuropiumEuropium(III) fluoride 2Eu + 3F₂ → 2EuF₃ · At room temperature · Try it
• Fluorine + GadoliniumGadolinium fluoride 2Gd + 3F₂ → 2GdF₃ · At room temperature · Try it
• Fluorine + TerbiumTerbium fluoride 2Tb + 3F₂ → 2TbF₃ · At room temperature · Try it
• Fluorine + DysprosiumDysprosium fluoride 2Dy + 3F₂ → 2DyF₃ · At room temperature · Try it
• Fluorine + HolmiumHolmium fluoride 2Ho + 3F₂ → 2HoF₃ · At room temperature · Try it
• Fluorine + ErbiumErbium fluoride 2Er + 3F₂ → 2ErF₃ · At room temperature · Try it
• Fluorine + ThuliumThulium fluoride 2Tm + 3F₂ → 2TmF₃ · At room temperature · Try it
• Fluorine + YtterbiumYtterbium(III) fluoride 2Yb + 3F₂ → 2YbF₃ · At room temperature · Try it
• Fluorine + LutetiumLutetium fluoride 2Lu + 3F₂ → 2LuF₃ · At room temperature · Try it
• Fluorine + HafniumHafnium fluoride Hf + 2F₂ → HfF₄ · At room temperature · Try it
• Fluorine + TantalumTantalum fluoride 2Ta + 5F₂ → 2TaF₅ · At room temperature · Try it
• Fluorine + TungstenTungsten(VI) fluoride W + 3F₂ → WF₆ · At room temperature · Try it
• Fluorine + RheniumRhenium(VI) fluoride Re + 3F₂ → ReF₆ · At room temperature · Try it
• Fluorine + OsmiumOsmium(VI) fluoride Os + 3F₂ → OsF₆ · At room temperature · Try it
• Fluorine + IridiumIridium(VI) fluoride Ir + 3F₂ → IrF₆ · At room temperature · Try it
• Fluorine + PlatinumPlatinum(IV) fluoride Pt + 2F₂ → PtF₄ · When heated · Try it
• Fluorine + GoldGold(III) fluoride 2Au + 3F₂ → 2AuF₃ · When heated · Try it
• Fluorine + MercuryMercury(II) fluoride Hg + F₂ → HgF₂ · When heated · Try it
• Fluorine + ThalliumThallium(I) fluoride 2Tl + F₂ → 2TlF · At room temperature · Try it
• Fluorine + LeadLead(II) fluoride Pb + F₂ → PbF₂ · At room temperature · Try it
• Fluorine + BismuthBismuth(V) fluoride 2Bi + 5F₂ → 2BiF₅ · At room temperature · Try it
• Fluorine + RadonRadon difluoride Rn + F₂ → RnF₂ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + RadiumRadium fluoride Ra + F₂ → RaF₂ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + ActiniumActinium fluoride 2Ac + 3F₂ → 2AcF₃ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + ThoriumThorium fluoride Th + 2F₂ → ThF₄ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + ProtactiniumProtactinium fluoride 2Pa + 5F₂ → 2PaF₅ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + NeptuniumNeptunium(VI) fluoride Np + 3F₂ → NpF₆ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + PlutoniumPlutonium(IV) fluoride Pu + 2F₂ → PuF₄ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + AmericiumAmericium fluoride 2Am + 3F₂ → 2AmF₃ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + CuriumCurium fluoride 2Cm + 3F₂ → 2CmF₃ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + BerkeliumBerkelium fluoride 2Bk + 3F₂ → 2BkF₃ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + CaliforniumCalifornium fluoride 2Cf + 3F₂ → 2CfF₃ · Only in a special nuclear lab (it is radioactive) · Try it
• Fluorine + EinsteiniumEinsteinium fluoride 2Es + 3F₂ → 2EsF₃ · Only in a special nuclear lab (it is radioactive) · Try it

Nothing happens when it's simply mixed with 7 of the others. 21 pairings have never been tried, because not enough atoms have ever existed.