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iron (Fe, 5D4 in ground state, ferrum = iron from Latin) | ||||
subject | fact |
iron | has symbol Fe | |
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 CuKα X-ray diffraction | ||
has mass absorption coefficient 38.5 cm2 g-1 for MoKα X-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 uses steel etc... | ||
has image | ||
has definition lustrous, silvery and soft or workable metal when absolutely pure | ||
is a kind of transition metal | ||
is a kind of siderophile element | ||
is a kind of recycled oceanic element | ||
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 | ||
has material |
Kinds of iron :
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