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physical object > natural object > particle > element > column grouped element > halogen > fluorine > fluorine 19
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fluorine 19
(19F)
subjectfact 
fluorine 19has symbol 19F2001-09-27 09:29:30.0
has natural abundance 100%2001-09-27 09:29:30.0
has NMR frequency 94.077 MHz where 1H = 100 MHz; 2.3488 T2001-09-27 09:29:30.0
has magnetogyric ratio 25.1665 × 107 rad T-1 s-12001-09-27 09:29:30.0
has NMR receptivity 4730 where 13C = 1.002001-09-27 09:29:30.0
has relative NMR sensitivity 0.83 with CFCl3 reference where 1H = 1.002001-09-27 09:29:30.0
has nuclear magnetic moment μ = +2.628867 nuclear magnetons with diamagnetic correctionhas source: Fuller, G.H. 1976, <i>Journal of Physical Chemistry Reference Data</i> <b>5</b> 835 'Nuclear Spins and Moments', 2001-09-27 09:29:30.0
has nuclear spin I = 1/2+ h/2πhas source: Fuller, G.H. 1976, <i>Journal of Physical Chemistry Reference Data</i> <b>5</b> 835 'Nuclear Spins and Moments', 2001-09-27 09:29:30.0
has number of nucleons 192001-09-27 09:29:30.0
has number of neutrons 102001-09-27 09:29:30.0
has atomic mass 18.998403222001-09-27 09:29:29.0
has uses Nuclear Magnetic Resonance2001-09-27 09:29:30.0
is an instance of fluorinehas URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=90019, 2001-09-27 09:29:29.0
fluorinehas lethal intake 5 - 25 g NaF2001-09-27 09:29:28.0
has lethal intake 52 mg kg-1 NaF ingestion for rat2001-09-27 09:29:28.0
has lethal intake 185 p.p.m. for 1 hour F2 inhalation for rat2001-09-27 09:29:29.0
has lethal intake 5 - 25 g NaF2001-09-27 09:29:29.0
has reserves 123 × 106 tonnes2001-09-27 09:29:29.0
has main mining area Canada, USA, UK, Russia, Mexico, Italy2001-09-27 09:29:29.0
has mineral apatite, cryolite, fluorite2001-09-27 09:29:29.0
has neutron scattering length 0.5654 × 10-12 cm2001-09-27 09:29:29.0
has electron affinity 328 kJ mol-1 from F to F-2001-09-27 09:29:29.0
has toxic intake 250 mg NaF2001-09-27 09:29:28.0
has van der Waals radii 135 pm2001-09-27 09:29:28.0
has covalent radii 58 pm2001-09-27 09:29:28.0
has thermal neutron capture cross section 0.0096 barns2001-09-27 09:29:29.0
has longest lived isotope fluorine 192001-09-27 09:29:29.0
has isotope mass range 17 to 232001-09-27 09:29:29.0
has number of isotopes 7 including nuclear isomers2001-09-27 09:29:29.0
has pronunciation floor-een2001-09-27 09:29:29.0
has name origin fluere = to flow from Latin2001-09-27 09:29:29.0
has discovery location Paris, France2001-09-27 09:29:29.0
has abundance 3.63 × 104 in Sun relative to H = 1 × 10122001-09-27 09:29:29.0
has abundance 950 p.p.m. in Earth's crust2001-09-27 09:29:29.0
has abundance 1.0 × 10-4 p.p.m. in Atlantic surface seawater2001-09-27 09:29:29.0
has abundance 0.96 × 10-4 p.p.m. in deep Atlantic seawater2001-09-27 09:29:29.0
has abundance 1.0 × 10-4 p.p.m. in Pacific surface seawater2001-09-27 09:29:29.0
has abundance 0.4 × 10-4 p.p.m. in deep Pacific seawater2001-09-27 09:29:29.0
has specimen not available for sale as pure gas because it is too reactive and dangerous2001-09-27 09:29:29.0
has world production 2400 tonnes year-1 for gas (F2)2001-09-27 09:29:29.0
has world production 4.7 × 106 tonnes year-1 for fluorite (CaF2)2001-09-27 09:29:29.0
has chief source fluorite2001-09-27 09:29:29.0
has mass absorption coefficient 16.4 cm2 g-1 for CuKalpha X-ray diffraction2001-09-27 09:29:29.0
has mass absorption coefficient 1.80 cm2 g-1 for MoKalpha X-ray diffraction2001-09-27 09:29:29.0
has space group C2/m for α-F22001-09-27 09:29:29.0
has space group Pm3n for β-F22001-09-27 09:29:29.0
has crystal cell dimension a = 550, b = 328, c = 728 pm, β = 102.17 deg for α-F22001-09-27 09:29:29.0
has crystal cell dimension a = 667 pm for β-F22001-09-27 09:29:29.0
has crystal type monoclinic for α-F22001-09-27 09:29:29.0
has crystal type cubic for β-F22001-09-27 09:29:29.0
has atomic emission line 685.603 nm for F I (strong)2001-09-27 09:29:29.0
has atomic emission line 690.248 nm for F I2001-09-27 09:29:29.0
has atomic emission line 703.747 nm for F I2001-09-27 09:29:29.0
has atomic emission line 712.789 nm for F I2001-09-27 09:29:29.0
has term symbol 2P3/2 in ground state2001-09-27 09:29:29.0
has electron configuration [He]2s22p5 in ground state2001-09-27 09:29:29.0
has mass of element in person 2.6 g for a 70 kg average person2001-09-27 09:29:29.0
has daily dietary intake 0.3 - 0.5 mg2001-09-27 09:29:29.0
has level in humans 0.5 mg dm-3 in blood2001-09-27 09:29:29.0
has level in humans 2000 - 12000 p.p.m. in bone2001-09-27 09:29:29.0
has level in humans 0.22 - 7 p.p.m. in liver2001-09-27 09:29:29.0
has level in humans 0.05 p.p.m. in muscle2001-09-27 09:29:29.0
has hazard gas is highly corrosive and toxic, low concentration exposure can cause eye and lung irritation2001-09-27 09:29:29.0
has hazard metal florides are very toxic2001-09-27 09:29:29.0
has hazard organic fluorides are often quite harmless2001-09-27 09:29:29.0
has biological role essential in trace quantities for mammals, including humans, in the form of fluoride (F-)2001-09-27 09:29:28.0
has thermal conductivity 0.0248 W m-1 K-1 at 273 K2001-09-27 09:29:28.0
has thermal conductivity 0.0279 W m-1 K-1 at 300 K2001-09-27 09:29:28.0
has molar volume 18.05 cm32001-09-27 09:29:28.0
has heat capacity 31.30 J K-1 mol-1 for molecular gas (F2) at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:29:28.0
has heat capacity 22.744 J K-1 mol-1 for atomic gas at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:29:28.0
has heat of vaporization 6.548 kJ mol-12001-09-27 09:29:28.0
has heat of fusion 5.10 kJ mol-12001-09-27 09:29:28.0
has boiling point 85.01 K2001-09-27 09:29:28.0
has melting point 53.53 K2001-09-27 09:29:28.0
has electronegativity 3.98 Pauling2001-09-27 09:29:28.0
has relative atomic mass 18.9984032 in units of 12C = 12.0002001-09-27 09:29:28.0
has ionic radii 133 pm for F-2001-09-27 09:29:28.0
has atomic radii 70.9 pm2001-09-27 09:29:28.0
has number of protons 92001-09-27 09:29:28.0
has registry number 7782-41-4 for Chemical Abstracts System databasehas URL: http://info.cas.org, 2001-09-27 09:29:28.0
has density 1516 kg m-3 for liquid at 85.01 K boiling point2001-09-27 09:29:28.0
has density 1.696 kg m-3 for gas at 273 K2001-09-27 09:29:28.0
has synthesis mechanism electrolysis of molten KF·2HF2001-09-27 09:29:29.0
has ocean oxidation state -I2001-09-27 09:28:28.0
has ocean residence time 400000 years2001-09-27 09:28:28.0
has atomic number 92001-09-27 09:29:28.0
reacts with almost everything violently2001-09-27 09:29:28.0
has discovery date 1886 (isolated)2001-09-27 09:29:29.0
has discoverer H. Moissan2001-09-27 09:29:29.0
has image 2001-09-27 09:28:32.0
has critical pressure 5573 kPa2001-09-27 09:29:28.0
has critical temperature 144.3 K2001-09-27 09:29:28.0
accumulating oceanic elementhas ocean concentration depth indenpendent2001-09-27 09:28:28.0
gaseous elementhas state gas at standard temperature and pressure2001-09-27 09:28:25.0
halogenhas group 172001-09-27 09:28:25.0
has synonym group VII element2001-09-27 09:28:25.0
oceanic elementhas occurrence ocean2001-09-27 09:28:26.0
elementis a part of Universe2001-09-27 09:32:17.0
particleobeys uncertainty principle2001-09-27 09:28:02.0
has frequency inversely proportional to the wavelength2001-09-27 09:28:02.0
has wavelength inversely proportional to its momentum2001-09-27 09:28:02.0
has charge2001-09-27 09:28:01.0
has mass2001-09-27 09:28:02.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has velocity2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0
has material2001-09-27 09:27:27.0

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