Astronomy   View all facts   Glossary   Help
physical object > natural object > particle > element > column grouped element > alkali metal > potassium > potassium 39
Next potassiumpotassium 40    Uppotassium    Previous potassiumpotassium 38   

potassium 39
(39K)
subjectfact 
potassium 39has symbol 39K2001-09-27 09:29:27.0
has natural abundance 93.2581%2001-09-27 09:29:27.0
has NMR frequency 4.667 MHz where 1H = 100 MHz; 2.3488 T2001-09-27 09:29:27.0
has nuclear quadrupole moment 0.0601 × 10-28 m22001-09-27 09:29:27.0
has magnetogyric ratio 1.2483 × 107 rad T-1 s-12001-09-27 09:29:27.0
has NMR receptivity 2.69 where 13C = 1.002001-09-27 09:29:27.0
has relative NMR sensitivity 5.08 × 10-4 where 1H = 1.002001-09-27 09:29:27.0
has nuclear magnetic moment μ = +0.391465 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 09:29:27.0
has nuclear spin I = 3/2+ 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 09:29:27.0
has number of nucleons 392001-09-27 09:29:27.0
has number of neutrons 202001-09-27 09:29:27.0
has atomic mass 38.9637072001-09-27 09:29:27.0
has uses isotopically enriched samples available for experimental purposes2001-09-27 09:29:27.0
has uses Nuclear Magnetic Resonance2001-09-27 09:29:27.0
has uses isotopically enriched samples available for experimental purposes2001-09-27 09:29:27.0
is an instance of potassiumhas URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=190039, 2001-09-27 09:29:27.0
potassiumhas lethal intake 2600 mg kg-12001-09-27 09:29:26.0
has reserves > 1 × 1010 tonnes2001-09-27 09:29:26.0
has main mining area Germany, Spain, Canada, USA, Italy2001-09-27 09:29:26.0
has mineral alunite, carnalite, orthoclase (mined for porcelain, ceramics and glass), sylvite2001-09-27 09:29:26.0
has neutron scattering length 0.367 × 10-12 cm2001-09-27 09:29:26.0
has electron affinity 48.4 kJ mol-1 from K to K-2001-09-27 09:29:26.0
has toxic intake 4 g of KCl2001-09-27 09:29:26.0
has poisson's ratio 0.35 GPa at 83 K2001-09-27 09:29:26.0
has rigidity modulus 1.30 GPa2001-09-27 09:29:26.0
has young's modulus 3.53 GPa at 83 K2001-09-27 09:29:26.0
has mass magnetic susceptibility +6.7 × 10-9 kg-1 m3 for solid2001-09-27 09:29:26.0
has electrical resistivity 6.15 × 10-8 Ω m at 273 K2001-09-27 09:29:26.0
has van der Waals radii 231 pm2001-09-27 09:29:26.0
has covalent radii 203 pm2001-09-27 09:29:26.0
has thermal neutron capture cross section 2.1 barns2001-09-27 09:29:26.0
has longest lived isotope potassium 392001-09-27 09:29:27.0
has isotope mass range 35 to 512001-09-27 09:29:27.0
has number of isotopes 18 including nuclear isomers2001-09-27 09:29:27.0
has pronunciation poh-tass-ium2001-09-27 09:29:27.0
has name origin potash from English2001-09-27 09:29:27.0
has discovery location London, England2001-09-27 09:29:27.0
has abundance 1.45 × 105 in Sun relative to H = 1 × 10122001-09-27 09:29:27.0
has abundance 21000 p.p.m. in Earth's crust2001-09-27 09:29:27.0
has abundance 5 × 106 p.p.m. in seawater2001-09-27 09:29:27.0
has specimen metal chunks (in mineral oil) or ingots. Warning!2001-09-27 09:29:27.0
has world production 200 tonnes year-1 for metal form2001-09-27 09:29:26.0
has world production 51 × 106 tonnes year-1 for salts2001-09-27 09:29:26.0
has chief source sylvite, carnalite, alunite2001-09-27 09:29:26.0
has mass absorption coefficient 143 cm2 g-1 for CuKalpha X-ray diffraction2001-09-27 09:29:26.0
has mass absorption coefficient 15.8 cm2 g-1 for MoKalpha X-ray diffraction2001-09-27 09:29:26.0
has space group Im3m2001-09-27 09:29:26.0
has crystal cell dimension a = 533.4 pm2001-09-27 09:29:26.0
has crystal type b.c.c2001-09-27 09:29:26.0
has atomic emission line 404.414 nm for K I2001-09-27 09:29:26.0
has atomic emission line 691.108 nm for K I2001-09-27 09:29:26.0
has atomic emission line 693.877 nm for K I2001-09-27 09:29:26.0
has atomic emission line 766.491 nm for K I (strong)2001-09-27 09:29:26.0
has atomic emission line 769.896 nm for K I2001-09-27 09:29:26.0
has term symbol 2S1/2 in ground state2001-09-27 09:29:26.0
has electron configuration [Ar]4s1 in ground state2001-09-27 09:29:26.0
has mass of element in person 140 g for a 70 kg average person2001-09-27 09:29:26.0
has daily dietary intake 1.4 - 7.4 g2001-09-27 09:29:26.0
has level in humans 1620 mg dm-3 in blood2001-09-27 09:29:26.0
has level in humans 2100 p.p.m. in bone2001-09-27 09:29:26.0
has level in humans 16000 p.p.m. in liver2001-09-27 09:29:26.0
has level in humans 16000 p.p.m. in muscle2001-09-27 09:29:26.0
has hazard excess ingestion of KCl (dietary supplement) can be fatal2001-09-27 09:29:26.0
has biological role essential to all living things2001-09-27 09:29:26.0
has linear expansion coefficient 83 × 10-6 K-12001-09-27 09:29:26.0
has thermal conductivity 102.4 W m-1 K-1 at 300 K2001-09-27 09:29:26.0
has molar volume 45.36 cm32001-09-27 09:29:26.0
has heat capacity 29.58 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:29:26.0
has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:29:26.0
has heat of vaporization 77.53 kJ mol-12001-09-27 09:29:26.0
has heat of fusion 2.40 kJ mol-12001-09-27 09:29:26.0
has boiling point 1047 K2001-09-27 09:29:26.0
has melting point 336.80 K2001-09-27 09:29:26.0
has electronegativity 0.82 Pauling2001-09-27 09:29:26.0
has relative atomic mass 39.0983 in units of 12C = 12.0002001-09-27 09:29:26.0
has ionic radii 133 pm for K+2001-09-27 09:29:26.0
has atomic radii 227 pm2001-09-27 09:29:26.0
has number of protons 192001-09-27 09:29:26.0
has registry number 7440-09-7 for Chemical Abstracts System databasehas URL: http://info.cas.org, 2001-09-27 09:29:26.0
has density 862 kg m-3 for solid at 293 K2001-09-27 09:29:26.0
has density 828 kg m-3 for liquid at 336.80 K melting point2001-09-27 09:29:26.0
has synthesis mechanism combine sodium metal with potassium chloride2001-09-27 09:29:26.0
has ocean oxidation state I2001-09-27 09:28:28.0
has ocean residence time 21000 years2001-09-27 09:28:28.0
has symbol name origin kalium from Greek2001-09-27 09:29:27.0
has atomic number 192001-09-27 09:29:26.0
reacts with water violently2001-09-27 09:29:26.0
has discovery date 1807 (isolated)2001-09-27 09:29:27.0
has discoverer Sir Humphry Davy2001-09-27 09:29:27.0
has image 2001-09-27 09:28:33.0
alkali metalhas group 12001-09-27 09:28:24.0
has hardness soft2001-09-27 09:28:19.0
has appearancee silvery except for francium2001-09-27 09:28:19.0
has synonym group I element2001-09-27 09:28:24.0
accumulating oceanic elementhas ocean concentration depth indenpendent2001-09-27 09:28:28.0
lithophile elementhas occurrence in silicate materials such as igneous rocks2001-09-27 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

Next potassiumpotassium 40    Uppotassium    Previous potassiumpotassium 38