Fluorine Elemental Symbol

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Fluor Fluor Fluoro Flúor Flúor Fluor

Fluorine Element SymbolFluorine is a Block P, Group 17, Period 2 element. Its electron configuration is [He]2s22p5. The fluorine atom has a covalent radius of 64 pm and its Van der Waals radius is 135 pm. In its elemental form, CAS 7782-41-4, fluorine gas has a pale yellow appearance. Fluorine was discovered by André-Marie Ampère in 1810. It was first isolated by Henri Moissan in 1886.

Fluorine information, including technical data, safety data and its high purity properties, research, applications and other useful facts are specified below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included. For additional information please see the Fluoride Information Center.

  • Properties
  • Products
  • Research
  • Isotopes
  • Other Elements

Fluorine Properties

Symbol: F Melting Point: -219.67 oC, -363.406 oF, 53.48 K
Atomic Number: 9 Boiling Point: -188.11 oC, -306.598 oF, 85.04 K
Atomic Weight: 19.00 Density: (0 °C, 101.325 kPa 1.696 3 g/L
Element Category: halogen Liquid Density @ Melting Point: 1.505 g·cm−3
Group, Period, Block: 17 (halogens), 2, p Specific Heat: N/A
    Heat of Vaporization 6.51 kJ·mol−1
Electrons: 9 Thermal Conductivity: 0.02591 W·m−1·K−1
Protons: 9 Thermal Expansion: N/A
Neutrons: 10 Electrical Resistivity: N/A
Electron Configuration: [He]2s22p5 Electronegativity: 3.98 (Pauling scale)
Atomic Radius:   Tensile Strength: N/A
Covalent Radius: 64 pm Molar Heat Capacity: (Cp) (21.1 °C) 825 J·mol−1·K−1
(Cv) (21.1 °C) 610 J·mol−1·K−1
Van der Waals radius: 135 pm Young's Modulus: N/A
Oxidation States: -1 (oxidizes oxygen) Shear Modulus: N/A
Phase: gas Bulk Modulus: N/A
Crystal Structure: monoclinic Poisson Ratio: N/A
Magnetic Ordering: diamagnetic Mohs Hardness: N/A
1st Ionization Energy: 1,681 kJ·mol−1 Vickers Hardness: N/A
2nd Ionization Energy: 3,374 kJ·mol−1 Brinell Hardness: N/A
3rd Ionization Energy: 6,147 kJ·mol−1 Speed of Sound: N/A
CAS Number: 7782-41-4 Abundance in typical human body, by weight: N/A
ChemSpider ID: 4514530 Abundance in typical human body, by atom: N/A
PubChem CID: 5360525 Abundance in universe, by weight: N/A
MDL Number: N/A Abundance in universe, by atom: N/A
EC Number: N/A Discovered By: André-Marie Ampère
Beilstein Number: N/A Discovery Date: 1810
SMILES Identifier: [F]  
InChI Identifier: InChI=1S/F Other Names: Fluor, Fluoro

Fluorine Products

Recent Research & Development for Fluorine

  • Ivana Krausová, Jirí Mizera, Zdenek Randa, David Chvátil, Pavel Krist, Nondestructive assay of fluorine in geological and other materials by instrumental photon activation analysis with a microtron, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 342, 1 January 2015
  • E.R. Pinatel, M. Corno, P. Ugliengo, M. Baricco, Effects of metastability on hydrogen sorption in fluorine substituted hydrides, Journal of Alloys and Compounds, Volume 615, Supplement 1, 5 December 2014
  • Sergiy S. Mykhaylychenko, Nadiia V. Pikun, Eduard B. Rusanov, Yuriy G. Shermolovich, Synthesis of fluorine-containing 1,3-thiazine derivatives from primary polyfluoroalkanethioamides, Journal of Fluorine Chemistry, Volume 168, December 2014
  • Bin Li, Yaqiong Wang, Haibin Lin, Xianshu Wang, Mengqing Xu, Yating Wang, Lidan Xing, Weishan Li, Performance improvement of phenyl acetate as propylene carbonate-based electrolyte additive for lithium ion battery by fluorine-substituting, Journal of Power Sources, Volume 267, 1 December 2014
  • Haiwen Wang, Aiguo Kong, Mesoporous fluorine-doped carbon as efficient cathode material for oxygen reduction reaction, Materials Letters, Volume 136, 1 December 2014
  • Shengjie Dong, Hui Zhao, Magnetism driven by non-metal interstitials from first-principles prediction: The case of hydrogen- and fluorine-doped calcium monoxide with rock-salt structure, Solid State Communications, Volume 199, December 2014
  • Songhak Yoon, Eugenio H. Otal, Alexandra E. Maegli, Lassi Karvonen, Santhosh K. Matam, Stefan G. Ebbinghaus, Bernhard Walfort, Hans Hagemann, Simone Pokrant, Anke Weidenkaff, Improved persistent luminescence of CaTiO3:Pr by fluorine substitution and thermochemical treatment, Journal of Alloys and Compounds, Volume 613, 15 November 2014
  • Ian Y.Y. Bu, Sol–gel production of wrinkled fluorine doped zinc oxide through hydrofluride acid, Ceramics International, Volume 40, Issue 9, Part B, November 2014
  • D. Wang, Z.H. Zhang, Z. Zhu, Z.L. Yu, B.K. Tao, S.Y. Hou, C. Ye, Magneto-electronics properties of fluorine-passivated “Christmas Tree” graphene nanoribbons, Organic Electronics, Volume 15, Issue 11, November 2014
  • Xiang Lei Shi, Jian Tao Wang, Jian Nong Wang, Roughness improvement of fluorine-doped tin oxide thin films by using different alcohol solvents, Journal of Alloys and Compounds, Volume 611, 25 October 2014

Fluorine Isotopes

Fluorine has one stable isotope: 19F.

Nuclide Symbol Isotopic Mass Half-Life Nuclear Spin
19F 18.99840322 Stable 1/2+