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Fluorine
9F
- ↑ F ↓ Cl Periodic table oxygen ← fluorine → neon
Panagway
gas: very pale yellow liquid: bright yellow solid: transparent (beta), opaque (alpha) Liquid fluorine at cryogenic temperatures
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	fluorine, F, 9
Paglitok	/ˈflʊəriːn/, /ˈflʊərɪn/, /ˈflɔəriːn/
Kategoriyang elemento	halogen
Group, period, block	17, 2, p
Gibug-aton sa atomo	18.9984032(5)[1]
Kontorno sa elektron	[He] 2s2 2p5[2] 2, 7
History
Pagkadiskobre	André-Marie Ampère (1810)
First isolation	Henri Moissan[2] (June 26, 1886)
Named by	Humphry Davy
Physical properties
Phase	gas
Density	(0 °C, 101.325 kPa) 1.696[3] g/L
Liquid density at b.p.	1.505[4] g·cm−3
Melting point	53.53 K, −219.62 °C, −363.32[5] °F
Boiling point	85.03 K, −188.12 °C, −306.62[5] °F
Critical point	144.4 K, 5.215[4] MPa
Heat of vaporization	6.51[3] kJ·mol−1
Molar heat capacity	(Cp) (21.1 °C) 825[4] J·mol−1·K−1 (Cv) (21.1 °C) 610[4] J·mol−1·K−1
Vapor pressure
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)
Electronegativity	3.98[2] (Pauling scale)
Ionization energies (more)	1st: 1,681[6] kJ·mol−1
	2nd: 3,374[6] kJ·mol−1
	3rd: 6,147[6] kJ·mol−1
Covalent radius	64[7] pm
Van der Waals radius	135[8] pm
Miscellanea
Crystal structure	cubic the structure refers to solid fluorine, just below the melting point, 1 atm[9]
Magnetic ordering	diamagnetic[10]
Thermal conductivity	0.02591[11] W·m−1·K−1
CAS registry number	7782-41-4[2]
Most stable isotopes
Main article: 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 reference[12]
v t e · r

Ang fluor (Iningles fluorine) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga F ug kaiphan nga atomik 9. Ang fluor mao ang halogen.

1. ↑ Wieser, Michael E.; Coplen, Tyler B. (2010). "Atomic weights of the elements 2009 (IUPAC Technical Report)". Pure and Applied Chemistry. 83: 359–396. doi:10.1351/PAC-REP-10-09-14. {{cite journal}}: |access-date= requires |url= (help)
2. ↑ ^{2.0 2.1 2.2 2.3} Aigueperse et al. 2005, "Fluorine", p. 1. sfn error: no target: CITEREFAigueperse_et_al.2005 (help)
3. ↑ ^{3.0 3.1} Aigueperse et al. 2005, "Fluorine", p. 2. sfn error: no target: CITEREFAigueperse_et_al.2005 (help)
4. ↑ ^{4.0 4.1 4.2 4.3} Compressed Gas Association (1999). Handbook of compressed gases. Springer. p. 365. ISBN 9780412782305. {{cite book}}: |access-date= requires |url= (help)
5. ↑ ^{5.0 5.1} Dean 1999, p. 3.29. sfn error: no target: CITEREFDean1999 (help)
6. ↑ ^{6.0 6.1 6.2} Dean 1999, p. 4.6. sfn error: no target: CITEREFDean1999 (help)
7. ↑ Dean 1999, p. 4.35. sfn error: no target: CITEREFDean1999 (help)
8. ↑ Kim, Sung-Hoon (2006). Functional dyes. Elsevier. p. 257. ISBN 9780444521767.
9. ↑ Young, David A. (2011-06-10). Phase Diagrams of the Elements (Report). Springer. p. 10. {{cite report}}: Check date values in: |year= / |date= mismatch (help)
10. ↑ Mackay, Mackay & Henderson 2002, p. 72. sfn error: no target: CITEREFMackayMackayHenderson2002 (help)
11. ↑ Yaws & Braker 2001, p. 385. sfn error: no target: CITEREFYawsBraker2001 (help)
12. ↑ Chiste, V. (2006). "F-18" (PDF). Table de radionucleides. Laboratoire National Henri Becquerel. Retrieved 15 June 2011. {{cite web}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)