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physical object > natural object > particle > element > light element > beryllium > beryllium 7
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beryllium 7
(7Be)
subjectfact 
beryllium 7has symbol 7Be2001-09-27 09:29:35.0
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 09:29:35.0
has decay mode EC (0.862 Mev)2001-09-27 09:29:35.0
has decay mode γ2001-09-27 09:29:35.0
has half life 53.82 days2001-09-27 09:29:35.0
has number of nucleons 72001-09-27 09:29:35.0
has number of neutrons 32001-09-27 09:29:35.0
has atomic mass 7.0169282001-09-27 09:29:35.0
has uses research2001-09-27 09:29:35.0
is an instance of berylliumhas URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=40007, 2001-09-27 09:29:35.0
berylliumhas lethal intake 317 mg kg-1 acetate in rat2001-09-27 09:29:34.0
has reserves 400000 tonnes2001-09-27 09:29:34.0
has main mining area Brazil, USA, Madagascar, Germany, Czech Republic, Russia, India2001-09-27 09:29:34.0
has mineral beryl, bertrandite, chrysoberyl, gadolinite, herderite2001-09-27 09:29:34.0
has neutron scattering length 0.779 × 10-12 cm2001-09-27 09:29:34.0
has electron affinity -18 kJ mol-1 from Be to Be-2001-09-27 09:29:34.0
has toxic intake 13 mg kg-1 in rat2001-09-27 09:29:34.0
has poisson's ratio 0.02 GPa2001-09-27 09:29:34.0
has bulk modulus 110 GPa2001-09-27 09:29:34.0
has rigidity modulus 156 GPa2001-09-27 09:29:34.0
has young's modulus 318 GPa2001-09-27 09:29:34.0
has mass magnetic susceptibility -1.3 × 10-8 kg-1 m3 for solid2001-09-27 09:29:34.0
has electrical resistivity 4.0 × 10-8 Ω m at 293 K2001-09-27 09:29:34.0
has covalent radii 89 pm2001-09-27 09:29:34.0
has thermal neutron capture cross section 0.0092 barns2001-09-27 09:29:34.0
has longest lived isotope beryllium 92001-09-27 09:29:35.0
has isotope mass range 6 to 112001-09-27 09:29:35.0
has number of isotopes 6 including nuclear isomers2001-09-27 09:29:35.0
has pronunciation be-ril-iuhm2001-09-27 09:29:35.0
has name origin beryllos = beryl from Greek2001-09-27 09:29:35.0
has discovery location Paris, France2001-09-27 09:29:35.0
has abundance 14 in Sun relative to H = 1 × 10122001-09-27 09:29:35.0
has abundance 2.6 p.p.m. in Earth's crust2001-09-27 09:29:35.0
has abundance 8.8 × 10-8 p.p.m. in Atlantic surface seawater2001-09-27 09:29:35.0
has abundance 17.5 × 10-8 p.p.m. in deep Atlantic seawater2001-09-27 09:29:35.0
has abundance 3.5 × 10-8 p.p.m. in Pacific surface seawater2001-09-27 09:29:35.0
has abundance 22 × 10-8 p.p.m. in deep Pacific seawater2001-09-27 09:29:35.0
has specimen lumps, powder. Danger !2001-09-27 09:29:35.0
has world production 364 tonnes year-12001-09-27 09:29:34.0
has chief source beryl, bertrandite2001-09-27 09:29:34.0
has mass absorption coefficient cm2 g-1 1.50 for CuKalpha X-ray diffraction2001-09-27 09:29:34.0
has mass absorption coefficient cm2 g-1 0.298 for MoKalpha X-ray diffraction2001-09-27 09:29:34.0
has space group P63/mmc for α-Be2001-09-27 09:29:34.0
has space group Im3m for β-Be2001-09-27 09:29:34.0
has crystal cell dimension a = 228.55, c = 358.32 pm for α-Be2001-09-27 09:29:34.0
has crystal cell dimension a = 255.15 pm for β-Be2001-09-27 09:29:34.0
has crystal type h.c.p. for α-Be2001-09-27 09:29:34.0
has crystal type b.c.c. for β-Be2001-09-27 09:29:34.0
has atomic emission line 234.861 nm for Be I (used in atom absorption spectrometry)2001-09-27 09:29:34.0
has atomic emission line 381.345 nm for Be I2001-09-27 09:29:34.0
has atomic emission line 436.099 nm for Be II2001-09-27 09:29:34.0
has atomic emission line 467.333 nm for Be II2001-09-27 09:29:34.0
has atomic emission line 467.342 nm for Be II (strong)2001-09-27 09:29:34.0
has atomic emission line 527.081 nm for Be II2001-09-27 09:29:34.0
has term symbol 1S0 in ground state2001-09-27 09:29:34.0
has electron configuration [He]2s2 in ground state2001-09-27 09:29:34.0
has mass of element in person 0.036 mg for a 70 kg average person2001-09-27 09:29:34.0
has daily dietary intake 0.01 mg2001-09-27 09:29:34.0
has level in humans < 1 × 10-5 mg dm-3 in blood2001-09-27 09:29:34.0
has level in humans 0.003 p.p.m. in bone2001-09-27 09:29:34.0
has level in humans 0.0016 p.p.m. in liver2001-09-27 09:29:34.0
has level in humans 0.00075 p.p.m. in muscle2001-09-27 09:29:34.0
has hazard deadly poison, carcinogenic for lab animals and maybe for humans2001-09-27 09:29:34.0
has hazard inhalation of dust causes severe and irreparable lung damage2001-09-27 09:29:34.0
has biological role none2001-09-27 09:29:34.0
has linear expansion coefficient 11.5 × 10-6 K-12001-09-27 09:29:34.0
has thermal conductivity 200 W m-1 K-1 at 300 K2001-09-27 09:29:34.0
has molar volume 4.88 cm32001-09-27 09:29:34.0
has heat capacity 16.44 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:29:34.0
has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:29:34.0
has heat of vaporization 308.8 kJ mol-12001-09-27 09:29:34.0
has heat of fusion 9.80 kJ mol-12001-09-27 09:29:34.0
has boiling point 3243 K under pressure2001-09-27 09:29:34.0
has melting point 1551 ± 5 K2001-09-27 09:29:34.0
has electronegativity 1.57 Pauling2001-09-27 09:29:34.0
has relative atomic mass 9.012182 in units of 12C = 12.0002001-09-27 09:29:34.0
has ionic radii 34 pm for Be+2001-09-27 09:29:34.0
has atomic radii 113 pm2001-09-27 09:29:34.0
has number of protons 42001-09-27 09:29:34.0
has registry number 7440-41-7 for Chemical Abstracts System databasehas URL: http://info.cas.org, 2001-09-27 09:29:34.0
has density 1847.7 kg m-3 for solid at 293 K2001-09-27 09:29:34.0
has synthesis mechanism electrolysis of fused BeCl22001-09-27 09:29:34.0
has ocean oxidation state II2001-09-27 09:28:29.0
has ocean residence time 4000 years2001-09-27 09:28:29.0
has atomic number 42001-09-27 09:29:34.0
has discovery date 17972001-09-27 09:29:35.0
has discoverer Nicholas Louis Vauquelin2001-09-27 09:29:35.0
has image 2001-09-27 09:28:32.0
alkali earth metalhas hardness malleable, extrudable and machinable2001-09-27 09:28:19.0
recycled oceanic elementhas ocean concentration increasing with depth2001-09-27 09:28:28.0
elementis a part of Universe2001-09-27 09:32:17.0
has synonym atom2001-09-27 09:28:19.0
oceanic elementhas occurrence ocean2001-09-27 09:28:26.0
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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