Fluorine,  9F
Small sample of pale yellow liquid fluorine condensed in liquid nitrogen
Liquid fluorine at cryogenic temperatures
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକfluorine, F
Appearancegas: very pale yellow
liquid: bright yellow
solid: transparent (beta), opaque (alpha)
ଉଚ୍ଚାରଣ/ˈflʊərn/, /ˈflʊərɪn/, /ˈflɔːrn/
Fluorine in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)


ପରମାଣୁ କ୍ରମାଙ୍କ (Z)9
ଶ୍ରେଣୀ, ବ୍ଳକgroup 17 (halogens), p-block
ପର୍ଯ୍ୟାୟperiod 2
ମୌଳିକ ପ୍ରକାର  halogen
ମାନକ ପରମାଣବିକ ଓଜନ (Ar)18.9984032(5)[୧]
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ[He] 2s2 2p5[୨]
per shell
2, 7
ଭୌତିକ ଗୁଣ
ଗଳନାଙ୍କ53.53 K ​(−219.62 °C, ​−363.32[୩] °F)
ସ୍ଫୁଟନାଙ୍କ85.03 K ​(−188.12 °C, ​−306.62[୩] °F)
ଘନତା at stp (0 °C and 101.325 kPa)1.696[୪] g/L
when liquid, at b.p.1.505[୫] g/cm3
Critical point144.4 K, 5.215[୫] MPa
Heat of 6.51[୪] kJ/mol
Molar heat capacity(Cp) (21.1 °C) 825[୫] J·mol−1·K−1
(Cv) (21.1 °C) 610[୫] J/(mol·K)
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 38 44 50 58 69 85
Atomic properties
Oxidation states−1 ​oxidizes oxygen
ElectronegativityPauling scale: 3.98[୨]
Covalent radius64[୬] pm
Van der Waals radius135[୭] pm
Crystal structurecubic
Cubic crystal structure for fluorine

the structure refers to solid fluorine, just below the melting point, 1 atm[୮]
Thermal conductivity0.02591[୯] W/(m·K)
Magnetic orderingdiamagnetic[୧୦]
CAS Number7782-41-4[୨]
ଆବିଷ୍କାରAndré-Marie Ampère (1810)
First isolationHenri Moissan[୨] (June 26, 1886)
Named byHumphry Davy
Most stable isotopes of fluorine
iso NA half-life DM DE (MeV) DP
18F trace 109.77 min β+ (96.9%) 0.634 18O
ε (3.1%) 1.656 18O
19F 100% 19F is stable with 10 neutrons
| references


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  2. ୨.୦ ୨.୧ ୨.୨ ୨.୩ Aigueperse et al. 2005, "Fluorine", p. 1.
  3. ୩.୦ ୩.୧ Dean 1999, p. 3.29.
  4. ୪.୦ ୪.୧ Aigueperse et al. 2005, "Fluorine", p. 2.
  5. ୫.୦ ୫.୧ ୫.୨ ୫.୩ Compressed Gas Association (1999). Handbook of compressed gases. Springer. p. 365. ISBN 9780412782305. |access-date= requires |url= (help)
  6. Dean 1999, p. 4.35.
  7. Kim, Sung-Hoon (2006). Functional dyes. Elsevier. p. 257. ISBN 9780444521767.
  8. Young, David A. (2011-06-10). Phase Diagrams of the Elements (Report). Springer. p. 10. http://www.osti.gov/bridge/servlets/purl/4010212-0BbwUC/4010212.pdfaccess. 
  9. Yaws & Braker 2001, p. 385.
  10. Mackay, Mackay & Henderson 2002, p. 72.
  11. Chiste, V. (2006). "F-18" (PDF). Table de radionucleides. Laboratoire National Henri Becquerel. Retrieved 15 June 2011. Unknown parameter |coauthors= ignored (|author= suggested) (help)