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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) | ||||
subject | fact |
magnesium | has symbol Mg | ![]() |
has lethal intake 8100 mg kg-1 for chloride, oral, rat | ![]() | |
has reserves > 2 × 1010 tonnes as ores; and > 1 × 1024 tonnes in the sea | ![]() | |
has main mining area Austria, China, Poland, Russia, USA, India, Greece, Canada | ![]() | |
has mineral brucite, carnalite, cordierite, diopside, dolomite, enstatite, epsomite, kiersite, magnesite, pyrope, spinel | ![]() | |
has neutron scattering length 0.5375 × 10-12 cm | ![]() | |
has electron affinity -21 kJ mol-1 from Mg to Mg- | ![]() | |
has toxic intake low toxicity | ![]() | |
has poisson's ratio 0.291 GPa | ![]() | |
has bulk modulus 35.6 GPa | ![]() | |
has rigidity modulus 17.3 GPa | ![]() | |
has young's modulus 44.7 GPa | ![]() | |
has mass magnetic susceptibility +6.8 × 10-9 kg-1 m3 for solid | ![]() | |
has electrical resistivity 4.38 × 10-8 Ω m at 293 K | ![]() | |
has covalent radii 136 pm | ![]() | |
has thermal neutron capture cross section 0.063 barns | ![]() | |
has longest lived isotope magnesium 24 | ![]() | |
has isotope mass range 20 to 31 | ![]() | |
has number of isotopes 12 including nuclear isomers | ![]() | |
has pronunciation mag-neez-iuhm | ![]() | |
has name origin Magnesia = district of Thessaly from Greek | ![]() | |
has discovery location Edinburgh, Scotland | ![]() | |
has abundance 4.0 × 107 in Sun relative to H = 1 × 1012 | ![]() | |
has abundance 23000 p.p.m. in Earth's crust | ![]() | |
has abundance 1200 p.p.m. in seawater | ![]() | |
has specimen chips, granules, powder, ribbon, rod or turnings. Safe. | ![]() | |
has world production 325000 tonnes year-1 | ![]() | |
has chief source seawater; and the ores or dolomite, magnesite; carnallite and brucite | ![]() | |
has mass absorption coefficient 38.6 cm2 g-1 for CuKα X-ray diffraction | ![]() | |
has mass absorption coefficient 4.11 cm2 g-1 for MoKα X-ray diffraction | ![]() | |
has space group P63/mmc | ![]() | |
has crystal cell dimension a = 320.94; c = 521.03 pm | ![]() | |
has crystal type h.c.p. | ![]() | |
has atomic emission line 279.553 nm for Mg II | ![]() | |
has atomic emission line 280.270 nm for Mg II | ![]() | |
has atomic emission line 285.213 nm for Mg I (strong) | ![]() | |
has atomic emission line 383.829 nm for Mg I | ![]() | |
has atomic emission line 518.361 nm for Mg I | ![]() | |
has term symbol 1S0 in ground state | ![]() | |
has electron configuration [Ne]3s2 in ground state | ![]() | |
has mass of element in person 19 g for a 70 kg average person | ![]() | |
has daily dietary intake 250 - 380 mg | ![]() | |
has level in humans 37.8 mg dm-3 in blood | ![]() | |
has level in humans 700 - 1800 p.p.m. in bone | ![]() | |
has level in humans 590 p.p.m. in liver | ![]() | |
has level in humans 900 p.p.m. in muscle | ![]() | |
has hazard compounds vary in toxicity but no evidence that metal produces systemic poisoning | ![]() | |
has biological role essential to all species | ![]() | |
has linear expansion coefficient 26.1 × 10-6 K-1 | ![]() | |
has thermal conductivity 156 W m-1 K-1 at 300 K | ![]() | |
has molar volume 13.98 cm3 | ![]() | |
has heat capacity 24.89 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K | ![]() | |
has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | ![]() | |
has heat of vaporization 128.7 kJ mol-1 | ![]() | |
has heat of fusion 9.04 kJ mol-1 | ![]() | |
has boiling point 1363 K | ![]() | |
has melting point 922.0 K | ![]() | |
has electronegativity 1.31 Pauling | ![]() | |
has relative atomic mass 24.3050 in units of 12C = 12.000 | ![]() | |
has ionic radii 79 pm for Mg2+ | ![]() | |
has atomic radii 160 pm | ![]() | |
has number of protons 12 | ![]() | |
has registry number 7439-95-4 for Chemical Abstracts System database | ![]() | |
has density 1738 kg m-3 for solid at 293 K | ![]() | |
has density 1585 kg m-3 for liquid at 922.0 K melting point | ![]() | |
has synthesis mechanism electrolysis of fused MgCl2 | ![]() | |
has ocean oxidation state II | ![]() | |
has ocean residence time 1 × 107 years | ![]() | |
has atomic number 12 | ![]() | |
reacts with air when ignited | ![]() | |
reacts with hot water | ![]() | |
has discovery date 1755 | ![]() | |
has discoverer Joseph Black | ![]() | |
has uses bulk metal and lightweight alloys | ![]() | |
has uses as a 'sacrificial' electrode to protect other metals exposed to seawater and ground | ![]() | |
has image ![]() | ![]() | |
has definition silvery white, lustrous and relatively soft metal | ![]() | |
is a kind of alkali earth metal | ![]() | |
is a kind of lithophile element | ![]() | |
is a kind of accumulating oceanic element | ![]() | |
alkali earth metal | has hardness malleable, extrudable and machinable | ![]() |
accumulating oceanic element | has ocean concentration depth indenpendent | ![]() |
lithophile element | has occurrence in silicate materials such as igneous rocks | ![]() |
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 magnesium :
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