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physical object > natural object > particle > element > gaseous element > hydrogen > hydrogen 1
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hydrogen 1
(1H)
subjectfact 
hydrogen 1has symbol 1H2001-09-27 09:28:48.0
has natural abundance 99.985 %2001-09-27 09:28:48.0
has NMR frequency 100.000 MHz where 1H = 100 MHz; 2.3488 T2001-09-27 09:28:48.0
has magnetogyric ratio 26.7510 × 107 rad T-1 s-12001-09-27 09:28:48.0
has NMR receptivity 5680 where 13C = 1.002001-09-27 09:28:48.0
has relative NMR sensitivity 1.0 by definition2001-09-27 09:28:48.0
has nuclear magnetic moment μ = 2.79284562001-09-27 09:28:48.0
has nuclear spin I = 1/22001-09-27 09:28:48.0
has number of nucleons 12001-09-27 09:28:48.0
has number of neutrons 02001-09-27 09:28:48.0
has atomic mass 1.00782001-09-27 09:28:48.0
has space group P63/mmc for h.c.p.2001-09-27 09:28:48.0
has space group Fm3m for cubic2001-09-27 09:28:48.0
has space group I4 for tetragonal2001-09-27 09:28:48.0
has crystal cell dimension a = 377.6, c = 616.2 pm for h.c.p.2001-09-27 09:28:48.0
has crystal cell dimension a = 533.8 pm for cubic2001-09-27 09:28:48.0
has crystal cell dimension a = 450, c = 368 pm for tetragonal2001-09-27 09:28:48.0
has crystal type h.c.p. for h.c.p.2001-09-27 09:28:48.0
has crystal type cubic for cubic2001-09-27 09:28:48.0
has crystal type tetragonal for tetragonal2001-09-27 09:28:48.0
has uses Nuclear Magnetic Resonance2001-09-27 09:28:48.0
is an instance of hydrogenhas URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=10001, 2001-09-27 09:28:48.0
hydrogenhas stable isotope hydrogen 1, deuterium2001-09-27 09:28:48.0
has lethal intake non-toxic2001-09-27 09:28:47.0
has reserves almost limitless2001-09-27 09:28:47.0
has main mining area2001-09-27 09:28:47.0
has mineral water2001-09-27 09:28:47.0
has neutron scattering length -0.37390 × 10-12 cm2001-09-27 09:28:47.0
has electron affinity 72.8 kJ mol-1 from H to H-2001-09-27 09:28:47.0
has toxic intake non-toxic2001-09-27 09:28:47.0
has mass magnetic susceptibility -2.50 × 10-8 kg-1 m3 for gas2001-09-27 09:28:47.0
has van der Waals radii 120 pm2001-09-27 09:28:47.0
has covalent radii 30 pm2001-09-27 09:28:47.0
has thermal neutron capture cross section 0.3326 barns2001-09-27 09:28:47.0
has longest lived isotope hydrogen 12001-09-27 09:28:48.0
has isotope mass range 1 to 32001-09-27 09:28:48.0
has number of isotopes 32001-09-27 09:28:48.0
has pronunciation hy-dro-jen2001-09-27 09:28:48.0
has name origin hydro genes = water forming from Greek2001-09-27 09:28:48.0
has discovery location London, England2001-09-27 09:28:48.0
has abundance 1 in Sun relative to H = 1 × 10122001-09-27 09:28:47.0
has abundance 1520 p.p.m. in Earth's crust2001-09-27 09:28:47.0
has abundance 0.5 p.p.m. by volume in Earth's atmosphere2001-09-27 09:28:47.0
has abundance main constituent of water; some dissolved H2 in seawater2001-09-27 09:28:47.0
has specimen small pressurized canisters. Warning !2001-09-27 09:28:47.0
has world production 350 × 109 m3 year-1 as H2 gas2001-09-27 09:28:47.0
has chief source natural methane gas2001-09-27 09:28:47.0
has mass absorption coefficient 0.435 cm2 g-1 for CuKα X-ray diffraction2001-09-27 09:28:47.0
has mass absorption coefficient 0.380 cm2 g-1 for MoKα X-ray diffraction2001-09-27 09:28:47.0
has atomic emission line 434.047 nm for H I2001-09-27 09:28:47.0
has atomic emission line 486.133 nm for H I2001-09-27 09:28:47.0
has atomic emission line 656.272 nm for H I2001-09-27 09:28:47.0
has atomic emission line 656.285 nm for H I (strong)2001-09-27 09:28:47.0
has atomic emission line 1875.10 nm for H I2001-09-27 09:28:47.0
has term symbol 2S1/2 in ground state2001-09-27 09:28:47.0
has electron configuration 1s1 in ground state2001-09-27 09:28:47.0
has mass of element in person 7 kg for a 70 kg average person2001-09-27 09:28:47.0
has daily dietary intake mainly as water2001-09-27 09:28:47.0
has level in humans constituent of water in blood2001-09-27 09:28:47.0
has level in humans 52000 p.p.m. in bone2001-09-27 09:28:47.0
has level in humans 93000 p.p.m. in liver2001-09-27 09:28:47.0
has level in humans 93000 p.p.m. in muscle2001-09-27 09:28:47.0
has hazard flammable and explosive when mixed with air; can asphyxiate if it excludes oxygen from lungs2001-09-27 09:28:47.0
has biological role constituent element of DNA. Component of water, essential to life.2001-09-27 09:28:47.0
has thermal conductivity 0.1815 W m-1 K-1 at 300 K for gas2001-09-27 09:28:47.0
has molar volume 13.26 cm32001-09-27 09:28:47.0
has heat capacity 28.824 J K-1 mol-1 for molecular gas (H2) at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:28:47.0
has heat capacity 20.784 J K-1 mol-1 for atomic gas at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:28:47.0
has heat of vaporization 0.46 kJ mol-12001-09-27 09:28:47.0
has heat of fusion 0.12 kJ mol-12001-09-27 09:28:47.0
has boiling point 20.28 K2001-09-27 09:28:47.0
has melting point 14.01 K2001-09-27 09:28:47.0
has electronegativity 2.20 Pauling2001-09-27 09:28:47.0
has relative atomic mass 1.00794 in units of 12C = 12.0002001-09-27 09:28:47.0
has ionic radii 0.00066 pm for H+2001-09-27 09:28:47.0
has ionic radii 154 pm for H-2001-09-27 09:28:47.0
has atomic radii 78 pm2001-09-27 09:28:47.0
has number of protons 12001-09-27 09:28:47.0
has registry number 1333-74-0 for Chemical Abstracts System databasehas URL: http://info.cas.org, 2001-09-27 09:28:47.0
has density 76.0 kg m-3 for solid at 11 K2001-09-27 09:28:47.0
has density 70.8 kg m-3 for liquid at 20.28 K boiling point2001-09-27 09:28:47.0
has density 0.08988 for gas at 273 K2001-09-27 09:28:47.0
has synthesis mechanism CH4 + 2H2O = 3H2 + CO (main production mechanim)2001-09-27 09:28:47.0
has synthesis mechanism electrolysis of brine using a mercury amalgam cell (minor production mechanism)2001-09-27 09:28:47.0
has synthesis mechanism steam flowing over red hot coke produces H2 and CO (minor production mechanism)2001-09-27 09:28:47.0
has ocean oxidation state I2001-09-27 09:28:27.0
has atomic number 12001-09-27 09:28:47.0
reacts with air explosively2001-09-27 09:28:47.0
has discovery date 17662001-09-27 09:28:47.0
has discoverer H. Cavendish2001-09-27 09:28:47.0
has Spanish translation hidrogeno2001-09-27 09:28:48.0
has Italian translation idrogeno2001-09-27 09:28:48.0
has German translation Wasserstoff2001-09-27 09:28:48.0
has French translation hydrogene2001-09-27 09:28:48.0
has triple point temperature 13.96 K at 7.2 kPa2001-09-27 09:28:47.0
has image 2001-09-27 09:28:32.0
has critical pressure 1297 kPa2001-09-27 09:28:47.0
has critical temperature 33.35 K2001-09-27 09:28:47.0
unclassified oceanic elementhas ocean residence time unknown2001-09-27 09:28:26.0
has ocean concentration unknown2001-09-27 09:28:26.0
atmophile elementhas occurrence atmosphere of a planet or asteroid2001-09-27 09:28:26.0
gaseous elementhas state gas at standard temperature and pressure2001-09-27 09:28:25.0
elementis a part of Universe2001-09-27 09:32:17.0
has synonym atom2001-09-27 09:28:19.0
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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