chromium 48 | has symbol 48Cr | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has decay mode EC (1.65 Mev) | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has decay mode γ | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has half life 21.6 hours | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has number of nucleons 48 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has number of neutrons 24 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic mass 47.954033 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
is an instance of chromium | ![has URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=240048, 2001-09-27 09:29:18.0 has URL: http://nucleardata.nuclear.lu.se/nucleardata/toi/nuclide.asp?iZA=240048, 2001-09-27 09:29:18.0](facet.gif) |
chromium | has lethal intake 70 mg kg-1 metal taken oraly in humans | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has reserves 1 × 109 tonnes | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has main mining area Turkey, South Africa, Zimbabwe, Russia, Philipipines | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has mineral chromite, crocoite | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has neutron scattering length 0.3635 × 10-12 cm | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has electron affinity 64.3 kJ mol-1 from Cr to Cr- | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has toxic intake 200 mg | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has poisson's ratio 0.21 GPa | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has bulk modulus 160.2 GPa | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has rigidity modulus 115.3 GPa | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has young's modulus 279 GPa | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has mass magnetic susceptibility +4.45 × 10-8 kg-1 m3 for solid | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has electrical resistivity 12.7 × 10-8 Ω m at 293 K | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has thermal neutron capture cross section 3.1 barns | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has longest lived isotope chromium 52 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has isotope mass range 45 to 57 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has number of isotopes 13 including nuclear isomers | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has pronunciation kroh-mi-uhm | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has name origin chroma = colour from Greek | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has discovery location Paris, France | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has abundance 5.13 × 105 in Sun relative to H = 1 × 1012 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has abundance 100 p.p.m. in Earth's crust | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has abundance 1.8 × 10-4 p.p.m. in Atlantic surface seawater | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has abundance 2.3 × 10-4 p.p.m. in deep Atlantic seawater | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has abundance 1.5 × 10-4 p.p.m. in Pacific surface seawater | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has abundance 2.5 × 10-4 p.p.m. in deep Pacific seawater | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has specimen chips, chunks, crystallites or powder. Safe. | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has world production 20000 tonnes year-1 for chromium metal | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has world production 9.6 × 106 tonnes year-1 for chromite ore | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has chief source chromite | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has mass absorption coefficient 260 cm2 g-1 for CuKalpha X-ray diffraction | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has mass absorption coefficient 31.1 cm2 g-1 for MoKalpha X-ray diffraction | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has space group Im3m | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has crystal cell dimension a = 288.46 pm | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has crystal type b.c.c. | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 357.869 nm for Cr I (used in atom absorption spectrometry) | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 359.349 nm for Cr I | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 360.533 nm for Cr I | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 425.435 nm for Cr I (strong) | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 427.480 nm for Cr I | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 428.972 nm for Cr I | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has atomic emission line 520.844 nm for Cr I | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has term symbol 7S3 in ground state | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has electron configuration [Ar]3d54s1 in ground state | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has mass of element in person 14 mg for a 70 kg average person | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has daily dietary intake 0.01 - 1.2 mg | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has level in humans 0.006 - 0.11 mg dm-3 in blood | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has level in humans 0.1 - 0.33 p.p.m. in bone | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has level in humans 0.02 - 3.3 p.p.m. in liver | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has level in humans 0.024 - 0.84 p.p.m. in muscle | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has hazard poison by ingestion, suspected carcinogen, chromates are corrosive to tissue | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has biological role essential to some species, including humans, stimulates metabolism | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has linear expansion coefficient 6.2 × 10-6 K-1 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has thermal conductivity 93.7 W m-1 K-1 at 300 K | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has molar volume 7.23 cm3 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has heat capacity 23.35 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has heat capacity 20.79 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has heat of vaporization 348.78 kJ mol-1 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has heat of fusion 15.3 kJ mol-1 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has boiling point 2945 K | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has melting point 2130 ± 20 K | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has electronegativity 1.66 Pauling | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has relative atomic mass 51.9961 in units of 12C = 12.000 | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has ionic radii 56 pm for Cr4+ | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has ionic radii 64 pm for Cr3+ | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has ionic radii 84 pm for Cr2+ | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has atomic radii 125 pm | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has number of protons 24 | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has registry number 7440-47-3 for Chemical Abstracts System database | ![has URL: http://info.cas.org, 2001-09-27 09:29:17.0 has URL: http://info.cas.org, 2001-09-27 09:29:17.0](facet.gif) |
has density 7190 kg m-3 for solid at 293 K | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has density 6460 kg m-3 for liquid at 2130 K melting point | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has ocean oxidation state VI | ![2001-09-27 09:28:29.0 2001-09-27 09:28:29.0](facet.gif) |
has ocean residence time 10000 years | ![2001-09-27 09:28:29.0 2001-09-27 09:28:29.0](facet.gif) |
has atomic number 24 | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
reacts with HCL and H2SO4 by disolving | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has discovery date 1780 | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has discoverer Nicholas Louis Vauquelin | ![2001-09-27 09:29:18.0 2001-09-27 09:29:18.0](facet.gif) |
has uses alloys, plating and metal ceramics | ![2001-09-27 09:29:17.0 2001-09-27 09:29:17.0](facet.gif) |
has image ![](images/element/Cr.jpg) | ![2001-09-27 09:28:32.0 2001-09-27 09:28:32.0](facet.gif) |
recycled oceanic element | has ocean concentration increasing with depth | ![2001-09-27 09:28:28.0 2001-09-27 09:28:28.0](facet.gif) |
chalcophile element | has occurrence in sulfide minerals | ![2001-09-27 09:28:26.0 2001-09-27 09:28:26.0](facet.gif) |
column grouped element | has group a column number in the table of the elements | ![2001-09-27 09:28:24.0 2001-09-27 09:28:24.0](facet.gif) |
element | is a part of Universe | ![2001-09-27 09:32:17.0 2001-09-27 09:32:17.0](facet.gif) |
has synonym atom | ![2001-09-27 09:28:19.0 2001-09-27 09:28:19.0](facet.gif) |
particle | obeys uncertainty principle | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has frequency inversely proportional to the wavelength | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has wavelength inversely proportional to its momentum | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
has charge | ![2001-09-27 09:28:01.0 2001-09-27 09:28:01.0](facet.gif) |
has mass | ![2001-09-27 09:28:02.0 2001-09-27 09:28:02.0](facet.gif) |
physical object | has location or center of gravity | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has angular momentum | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has velocity | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has momentum | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has temperature | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has volume | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has extent | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |
has material | ![2001-09-27 09:27:27.0 2001-09-27 09:27:27.0](facet.gif) |