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physical object > natural object > particle > element > metallic element > alkali earth metal > magnesium
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magnesium
(Mg, 1S0 in ground state)
subjectfact 
magnesiumhas symbol Mg2001-09-27 09:28:58.0
has lethal intake 8100 mg kg-1 for chloride, oral, rat2001-09-27 09:28:58.0
has reserves > 2 × 1010 tonnes as ores; and > 1 × 1024 tonnes in the sea2001-09-27 09:28:58.0
has main mining area Austria, China, Poland, Russia, USA, India, Greece, Canada2001-09-27 09:28:58.0
has mineral brucite, carnalite, cordierite, diopside, dolomite, enstatite, epsomite, kiersite, magnesite, pyrope, spinel2001-09-27 09:28:58.0
has neutron scattering length 0.5375 × 10-12 cm2001-09-27 09:28:58.0
has electron affinity -21 kJ mol-1 from Mg to Mg-2001-09-27 09:28:58.0
has toxic intake low toxicity2001-09-27 09:28:58.0
has poisson's ratio 0.291 GPa2001-09-27 09:28:58.0
has bulk modulus 35.6 GPa2001-09-27 09:28:58.0
has rigidity modulus 17.3 GPa2001-09-27 09:28:58.0
has young's modulus 44.7 GPa2001-09-27 09:28:58.0
has mass magnetic susceptibility +6.8 × 10-9 kg-1 m3 for solid2001-09-27 09:28:58.0
has electrical resistivity 4.38 × 10-8 Ω m at 293 K2001-09-27 09:28:58.0
has covalent radii 136 pm2001-09-27 09:28:58.0
has thermal neutron capture cross section 0.063 barns2001-09-27 09:28:58.0
has longest lived isotope magnesium 242001-09-27 09:28:59.0
has isotope mass range 20 to 312001-09-27 09:28:59.0
has number of isotopes 12 including nuclear isomers2001-09-27 09:28:59.0
has pronunciation mag-neez-iuhm2001-09-27 09:28:59.0
has name origin Magnesia = district of Thessaly from Greek2001-09-27 09:28:58.0
has discovery location Edinburgh, Scotland2001-09-27 09:28:58.0
has abundance 4.0 × 107 in Sun relative to H = 1 × 10122001-09-27 09:28:58.0
has abundance 23000 p.p.m. in Earth's crust2001-09-27 09:28:58.0
has abundance 1200 p.p.m. in seawater2001-09-27 09:28:58.0
has specimen chips, granules, powder, ribbon, rod or turnings. Safe.2001-09-27 09:28:58.0
has world production 325000 tonnes year-12001-09-27 09:28:58.0
has chief source seawater; and the ores or dolomite, magnesite; carnallite and brucite2001-09-27 09:28:58.0
has mass absorption coefficient 38.6 cm2 g-1 for CuKα X-ray diffraction2001-09-27 09:28:58.0
has mass absorption coefficient 4.11 cm2 g-1 for MoKα X-ray diffraction2001-09-27 09:28:58.0
has space group P63/mmc2001-09-27 09:28:58.0
has crystal cell dimension a = 320.94; c = 521.03 pm2001-09-27 09:28:58.0
has crystal type h.c.p.2001-09-27 09:28:58.0
has atomic emission line 279.553 nm for Mg II2001-09-27 09:28:58.0
has atomic emission line 280.270 nm for Mg II2001-09-27 09:28:58.0
has atomic emission line 285.213 nm for Mg I (strong)2001-09-27 09:28:58.0
has atomic emission line 383.829 nm for Mg I2001-09-27 09:28:58.0
has atomic emission line 518.361 nm for Mg I2001-09-27 09:28:58.0
has term symbol 1S0 in ground state2001-09-27 09:28:58.0
has electron configuration [Ne]3s2 in ground state2001-09-27 09:28:58.0
has mass of element in person 19 g for a 70 kg average person2001-09-27 09:28:58.0
has daily dietary intake 250 - 380 mg2001-09-27 09:28:58.0
has level in humans 37.8 mg dm-3 in blood2001-09-27 09:28:58.0
has level in humans 700 - 1800 p.p.m. in bone2001-09-27 09:28:58.0
has level in humans 590 p.p.m. in liver2001-09-27 09:28:58.0
has level in humans 900 p.p.m. in muscle2001-09-27 09:28:58.0
has hazard compounds vary in toxicity but no evidence that metal produces systemic poisoning2001-09-27 09:28:58.0
has biological role essential to all species2001-09-27 09:28:58.0
has linear expansion coefficient 26.1 × 10-6 K-12001-09-27 09:28:58.0
has thermal conductivity 156 W m-1 K-1 at 300 K2001-09-27 09:28:58.0
has molar volume 13.98 cm32001-09-27 09:28:58.0
has heat capacity 24.89 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:28:58.0
has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K2001-09-27 09:28:58.0
has heat of vaporization 128.7 kJ mol-12001-09-27 09:28:58.0
has heat of fusion 9.04 kJ mol-12001-09-27 09:28:58.0
has boiling point 1363 K2001-09-27 09:28:58.0
has melting point 922.0 K2001-09-27 09:28:58.0
has electronegativity 1.31 Pauling2001-09-27 09:28:58.0
has relative atomic mass 24.3050 in units of 12C = 12.0002001-09-27 09:28:58.0
has ionic radii 79 pm for Mg2+2001-09-27 09:28:58.0
has atomic radii 160 pm2001-09-27 09:28:58.0
has number of protons 122001-09-27 09:28:58.0
has registry number 7439-95-4 for Chemical Abstracts System databasehas source: Chemical Abstracts System, has URL: http://info.cas.org, 2001-09-27 09:28:58.0
has density 1738 kg m-3 for solid at 293 K2001-09-27 09:28:58.0
has density 1585 kg m-3 for liquid at 922.0 K melting point2001-09-27 09:28:58.0
has synthesis mechanism electrolysis of fused MgCl22001-09-27 09:28:58.0
has ocean oxidation state II2001-09-27 09:28:28.0
has ocean residence time 1 × 107 years2001-09-27 09:28:28.0
has atomic number 122001-09-27 09:28:58.0
reacts with air when ignited2001-09-27 09:28:58.0
reacts with hot water2001-09-27 09:28:58.0
has discovery date 17552001-09-27 09:28:58.0
has discoverer Joseph Black2001-09-27 09:28:58.0
has uses bulk metal and lightweight alloys2001-09-27 09:28:58.0
has uses as a 'sacrificial' electrode to protect other metals exposed to seawater and ground2001-09-27 09:28:58.0
has image 2001-09-27 09:28:33.0
has definition silvery white, lustrous and relatively soft metal2001-09-27 09:28:58.0
is a kind of alkali earth metal2001-09-27 09:28:19.0
is a kind of lithophile element2001-09-27 09:28:26.0
is a kind of accumulating oceanic element2001-09-27 09:28:28.0
alkali earth metalhas hardness malleable, extrudable and machinable2001-09-27 09:28:19.0
accumulating oceanic elementhas ocean concentration depth indenpendent2001-09-27 09:28:28.0
lithophile elementhas occurrence in silicate materials such as igneous rocks2001-09-27 09:28:26.0
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

Kinds of magnesium :

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