THE IRON FE 57 IS THERE
| iron 57 (57Fe) |
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| subject | fact | |||
| iron 57 | has symbol 57Fe | |
| has natural abundance 2.2 | ||
| has NMR frequency 3.231 MHz where 1H = 100 MHz; 2.3488 T | ||
| has magnetogyric ratio 0.8661 × 107rad T-1 s-1 | ||
| has NMR receptivity 4.2 × 10-3 where 13C = 1.00 | ||
| has relative NMR sensitivity 3.37 × 10-5 where 1H = 1.00 | ||
| has nuclear magnetic moment μ = +0.09062294 nuclear magnetons with diamagnetic correction | ||
| has nuclear spin I = 1/2- h/2π | ||
| has number of nucleons 57 | ||
| has number of neutrons 31 | ||
| has atomic mass 56.935395 | ||
| has uses isotopically enriched samples available for experimental purposes | ||
| has uses Nuclear Magnetic Resonance | ||
| is an instance of iron | ||
| iron | has lethal intake 7 - 35 grams | |
| has reserves 1.1 × 1011 tonnes | ||
| has main mining area USA, Canada, Sweden, South Africa, Russia, India, Japan | ||
| has mineral goethite, hematite, lepidocrocite, magnetite, siderite, ... | ||
| has neutron scattering length 0.954 × 10-12 cm | ||
| has electron affinity 15.7 kJ mol-1 from Fe to Fe- | ||
| has toxic intake 200 mg Iron (II) compounds are more toxic than iron (III) | ||
| has poisson's ratio 0.27 GPa for cast iron | ||
| has poisson's ratio 0.27 GPa for steel | ||
| has bulk modulus 109.5 GPa for cast iron | ||
| has bulk modulus 160 GPa for steel | ||
| has rigidity modulus 60.0 GPa for cast iron | ||
| has rigidity modulus 81 GPa for steel | ||
| has young's modulus 152.3 GPa for cast iron | ||
| has young's modulus 208 GPa for steel | ||
| has mass magnetic susceptibility ferromagnetic | ||
| has electrical resistivity 9.71 × 10-8 Ω m at 293 K | ||
| has covalent radii 116 pm | ||
| has thermal neutron capture cross section 2.56 barns | ||
| has longest lived isotope iron 56 | ||
| has isotope mass range 49 to 63 | ||
| has number of isotopes 16 including nuclear isomers | ||
| has pronunciation iy-on ? | ||
| has name origin iron from Anglo-Saxon | ||
| has abundance 3.16 × 107 in Sun relative to H = 1 × 1012 | ||
| has abundance 41000 p.p.m. in Earth's crust | ||
| has abundance p.p.m. in seawater | ||
| has abundance 1 × 10-4 p.p.m. in Atlantic surface seawater | ||
| has abundance 4 × 10-4 p.p.m. in deep Atlantic seawater | ||
| has abundance 1 × 10-5 p.p.m. in Pacific surface seawater | ||
| has abundance 1 × 10-4 p.p.m. in deep Pacific seawater | ||
| has specimen chips, filings, foil, granules, powder and wire. Safe. | ||
| has world production 7.16 × 108 tonnes year-1 | ||
| has chief source hematite, magnetite, goethite, lepidocrocite, siderite | ||
| has mass absorption coefficient 308 cm2 g-1 for CuKαX-ray diffraction | ||
| has mass absorption coefficient 38.5 cm2 g-1 for MoKαX-ray diffraction | ||
| has space group Im3m for α-Fe | ||
| has space group Fm3m for γ-Fe | ||
| has space group Im3m for δ-Fe | ||
| has crystal cell dimension a = 286.645 pm for α-Fe | ||
| has crystal cell dimension a = 364.68 pm for γ-Fe | ||
| has crystal cell dimension a = 293.22 pm for δ-Fe | ||
| has crystal type b.c.c. for α-Fe | ||
| has crystal type c.c.p. for γ-Fe | ||
| has crystal type b.c.c. for δ-Fe | ||
| has atomic emission line 248.327 nm for Fe I (strong) | ||
| has atomic emission line 248.814 nm for Fe I | ||
| has atomic emission line 252.285 nm for Fe I | ||
| has atomic emission line 344.061 nm for Fe I | ||
| has atomic emission line 371.994 nm for Fe I | ||
| has atomic emission line 373.713 nm for Fe I | ||
| has atomic emission line 374.556 nm for Fe I | ||
| has atomic emission line 385.991 nm for Fe I (strong) | ||
| has term symbol 5D4 in ground state | ||
| has electron configuration [Ar]3d64s2 in ground state | ||
| has mass of element in person 4.2 kg for a 70 kg average person | ||
| has daily dietary intake 6 - 40 mg | ||
| has level in humans 447 mg dm-3 in blood | ||
| has level in humans 3 - 380 p.p.m. in bone | ||
| has level in humans 250 - 1400 p.p.m. in liver | ||
| has level in humans 180 p.p.m. in muscle | ||
| has hazard fire or explosion of dust chronic exposure can cause pneumoconiosis | ||
| has hazard deficiency leads to anemia but excess causes liver and kidney damage | ||
| has biological role essential to all species | ||
| has linear expansion coefficient 12.3 × 10-6 K-1 | ||
| has thermal conductivity 80.2 W m-1 K-1 at 300 K | ||
| has molar volume 7.09 cm3 | ||
| has heat capacity 25.10 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K | ||
| has heat capacity 25.677 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | ||
| has heat of vaporization 351.0 kJ mol-1 | ||
| has heat of fusion 14.9 kJ mol-1 | ||
| has boiling point 3023 K | ||
| has melting point 1808 K | ||
| has electronegativity 1.83 Pauling | ||
| has relative atomic mass 55.845 in units of 12C = 12.000 | ||
| has ionic radii 67 pm for Fe2+ | ||
| has ionic radii 82 pm for Fe3+ | ||
| has atomic radii 124 pm | ||
| has number of protons 26 | ||
| has registry number 7439-89-6 for Chemical Abstracts System database | ||
| has density 7874 kg m-3 for solid at 293 K | ||
| has density 7035 kg m-3 for liquid at 1808 K melting point | ||
| has synthesis mechanism | ||
| has ocean oxidation state III | ||
| has ocean residence time 98 years | ||
| has symbol name origin ferrum = iron from Latin | ||
| has atomic number 26 | ||
| reacts with damp air by rusting | ||
| reacts with dilute acids by disolving | ||
| has discovery date 2500 B.C. | ||
has image  |
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| recycled oceanic element | has ocean concentration increasing with depth | |
| siderophile element | has occurrence in planet metallic core and associated with iron | |
| column grouped element | has group a column number in the table of the elements | |
| element | is a part of Universe | |
| has synonym atom | ||
| particle | obeys uncertainty principle | |
| has frequency inversely proportional to the wavelength | ||
| has wavelength inversely proportional to its momentum | ||
| has charge | ||
| has mass | ||
| physical object | has location or center of gravity | |
| has angular momentum | ||
| has velocity | ||
| has momentum | ||
| has temperature | ||
| has volume | ||
| has extent | ||
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has material http://www.csi.uottawa.ca:4321/astronomy/index.html#iron57 |
