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physical object > natural object > particle > element > column grouped element > group IV element > silicon > silicon 29
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silicon 29
(29Si)
subjectfact 
silicon 29has symbol 29Si2001-09-27 09:28:57.0
has natural abundance 4.67%2001-09-27 09:28:57.0
has NMR frequency 19.865 MHz where 1H = 100 MHz; 2.3488 T2001-09-27 09:28:57.0
has magnetogyric ratio -5.3146 × 107 rad T-1 s-12001-09-27 09:28:57.0
has NMR receptivity 2.09 where 13C = 1.002001-09-27 09:28:57.0
has relative NMR sensitivity 7.84 × 10-3 where 1H = 1.002001-09-27 09:28:57.0
has nuclear magnetic moment μ = -0.555292001-09-27 09:28:57.0
has nuclear spin I = 1/2+2001-09-27 09:28:57.0
has number of nucleons 292001-09-27 09:28:57.0
has number of neutrons 152001-09-27 09:28:57.0
has atomic mass 28.97649492001-09-27 09:28:57.0
has uses experimental, Nuclear Magnetic Resonance2001-09-27 09:28:57.0
is an instance of siliconhas URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=140029, 2001-09-27 09:28:57.0
siliconhas lethal intake non-toxic2001-09-27 09:28:56.0
has reserves unlimited × 10 tonnes2001-09-27 09:28:57.0
has main mining area talc in Austria, Italy, India, South Africa, Australia, mica in Canada, USA, India, Brazil2001-09-27 09:28:57.0
has mineral silicates2001-09-27 09:28:57.0
has neutron scattering length 0.41543 × 10-12 cm2001-09-27 09:28:57.0
has electron affinity 133.3 kJ mol-1 from Si to Si-2001-09-27 09:28:56.0
has toxic intake non-toxic2001-09-27 09:28:56.0
has poisson's ratio 0.42 GPa2001-09-27 09:28:56.0
has rigidity modulus 39.7 GPa2001-09-27 09:28:56.0
has young's modulus 113 GPa2001-09-27 09:28:56.0
has mass magnetic susceptibility -1.8 × 10-9 kg-1 m3 for solid2001-09-27 09:28:56.0
has electrical resistivity 0.001 Ω m at 273 K2001-09-27 09:28:56.0
has van der Waals radii 200 pm2001-09-27 09:28:56.0
has covalent radii 117 pm2001-09-27 09:28:56.0
has thermal neutron capture cross section 0.171 barns2001-09-27 09:28:57.0
has longest lived isotope silicon 282001-09-27 09:28:57.0
has isotope mass range 24 to 342001-09-27 09:28:57.0
has number of isotopes 11 including nuclear isomers2001-09-27 09:28:57.0
has pronunciation sil-i-kon2001-09-27 09:28:57.0
has name origin silicis = flint from Latin2001-09-27 09:28:57.0
has discovery location Stockholm, Sweden2001-09-27 09:28:57.0
has abundance 4.47 × 107 in Sun relative to H = 1 × 10122001-09-27 09:28:57.0
has abundance 277100 p.p.m. in Earth's crust2001-09-27 09:28:57.0
has abundance 0.03 p.p.m. in Atlantic surface seawater2001-09-27 09:28:57.0
has abundance 0.82 p.p.m. in deep Atlantic seawater2001-09-27 09:28:57.0
has abundance 0.03 p.p.m. in Pacific surface seawater2001-09-27 09:28:57.0
has abundance 4.09 p.p.m. in deep Pacific seawater2001-09-27 09:28:57.0
has specimen available as powder, pieces or lumps. Safe.2001-09-27 09:28:57.0
has world production 5000 tonnes year-1 for electronic grade (very pure)2001-09-27 09:28:57.0
has world production 480000 tonnes year-1 for metallurgical grade2001-09-27 09:28:57.0
has world production 3.4 × 106 tonnes year-1 for metallurgical grade2001-09-27 09:28:57.0
has chief source quartz, talc, mica2001-09-27 09:28:57.0
has mass absorption coefficient 60.6 cm2 g-1 for CuKα X-ray diffraction2001-09-27 09:28:57.0
has mass absorption coefficient 6.44 cm2 g-1 for MoKα X-ray diffraction2001-09-27 09:28:57.0
has space group2001-09-27 09:28:57.0
has crystal cell dimension a = pm2001-09-27 09:28:57.0
has crystal type2001-09-27 09:28:57.0
has atomic emission line 251.611 nm for Si I2001-09-27 09:28:57.0
has atomic emission line 288.156 nm for Si I2001-09-27 09:28:57.0
has atomic emission line 504.103 nm for Si II2001-09-27 09:28:57.0
has atomic emission line 505.598 nm for Si I2001-09-27 09:28:57.0
has atomic emission line 566.956 nm for Si I2001-09-27 09:28:57.0
has atomic emission line 634.710 nm for Si II2001-09-27 09:28:57.0
has atomic emission line 637.136 nm for Si II2001-09-27 09:28:57.0
has term symbol 3P0 in ground state2001-09-27 09:28:56.0
has electron configuration [Ne]3s23p2 in ground state2001-09-27 09:28:56.0
has mass of element in person 1 g for a 70 kg average person2001-09-27 09:28:56.0
has daily dietary intake 18 - 1200 mg2001-09-27 09:28:56.0
has level in humans 3.9 mg dm-3 in blood2001-09-27 09:28:56.0
has level in humans 17 p.p.m. in bone2001-09-27 09:28:56.0
has level in humans 12 - 120 p.p.m. in liver2001-09-27 09:28:56.0
has level in humans 100 - 200 p.p.m. in muscle2001-09-27 09:28:56.0
has hazard some silicate fibres are carcinogenic such as asbestos2001-09-27 09:28:56.0
has biological role essential to some species and possibly to humans2001-09-27 09:28:56.0
has linear expansion coefficient 4.2 × 10-6 K-12001-09-27 09:28:56.0
has thermal conductivity 148 W m-1 K-1 at 300 K2001-09-27 09:28:56.0
has molar volume 12.06 cm32001-09-27 09:28:56.0
has heat capacity 20.00 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:28:56.0
has heat capacity 22.251 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:28:56.0
has heat of vaporization 383.3 kJ mol-12001-09-27 09:28:56.0
has heat of fusion 39.6 kJ mol-12001-09-27 09:28:56.0
has boiling point 2628 K2001-09-27 09:28:56.0
has melting point 1683 K2001-09-27 09:28:56.0
has electronegativity 1.90 Pauling2001-09-27 09:28:56.0
has relative atomic mass 28.0555 in units of 12C = 12.0002001-09-27 09:28:56.0
has ionic radii 26 pm for Si4+2001-09-27 09:28:56.0
has ionic radii 271 pm for Si4-2001-09-27 09:28:56.0
has atomic radii 117 pm2001-09-27 09:28:56.0
has number of protons 142001-09-27 09:28:56.0
has registry number 7440-21-3 for Chemical Abstracts System databasehas URL: http://info.cas.org, 2001-09-27 09:28:56.0
has density 2329 kg m-3 for solid at 293 K2001-09-27 09:28:56.0
has density 2525 kg m-3 for liquid at 1683 K melting point2001-09-27 09:28:56.0
has synthesis mechanism reduction of sand (SiO2) with carbon produces black amorphous silicon2001-09-27 09:28:57.0
has ocean oxidation state IV2001-09-27 09:28:30.0
has ocean residence time 30000 years2001-09-27 09:28:30.0
has atomic number 142001-09-27 09:28:56.0
does not react oxygen, water or acids2001-09-27 09:28:56.0
reacts HF acid or hot alkali solutions by dissolving2001-09-27 09:28:56.0
has discovery date 18242001-09-27 09:28:57.0
has discoverer J.J. Berzelius2001-09-27 09:28:57.0
has image 2001-09-27 09:28:33.0
recycled oceanic elementhas ocean concentration increasing with depth2001-09-27 09:28:28.0
lithophile elementhas occurrence in silicate materials such as igneous rocks2001-09-27 09:28:26.0
group IV elementhas group 142001-09-27 09:28:24.0
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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