manganese 52 | has symbol 52Mn | |
has nuclear magnetic moment μ = +3.063 nuclear magnetons with diamagnetic correction | |
has nuclear spin I = 6+ h/2π | |
has decay mode β+ (4.712 Mev) | |
has decay mode EC | |
has decay mode γ | |
has half life 5.591 days | |
has number of nucleons 52 | |
has number of neutrons 27 | |
has atomic mass 51.945568 | |
is an instance of manganese | |
manganese | has lethal intake 1715 mg kg-1 for chloride in mouse | |
has reserves 3.6 × 109 tonnes (plus ocean floor nodules which are 24% Mn) | |
has main mining area South Africa, Russia, Gabon, Australia, Brazil | |
has mineral bixbyite, managanite, pyrolusite, rhodochrosite, rhodonite (jewelry), romanechite | |
has neutron scattering length -0.373 × 10-12 cm | |
has electron affinity less than 0 kJ mol-1 from Mn to Mn- | |
has toxic intake slighly toxic by ingestion | |
has poisson's ratio 0.24 GPa | |
has bulk modulus n.a. GPa | |
has rigidity modulus 79.5 GPa | |
has young's modulus 191 GPa | |
has mass magnetic susceptibility +1.21 × 10-7 kg-1 m3 for solid | |
has electrical resistivity 185.0 × 10-8 Ω m at 298 K | |
has covalent radii 117 pm | |
has thermal neutron capture cross section 13.3 barns | |
has longest lived isotope manganese 55 | |
has isotope mass range 49 to 62 | |
has number of isotopes 15 including nuclear isomers | |
has pronunciation man-gan-eez | |
has name origin magnes = magnet from Latin or magnesia nigri = black magnesia (MnO2) | |
has discovery location Stockholm, Sweden | |
has abundance 2.63 × 105 in Sun relative to H = 1 × 1012 | |
has abundance 950 p.p.m. in Earth's crust | |
has abundance 1.0 × 10-4 p.p.m. in Atlantic surface seawater | |
has abundance 0.96 × 10-4 p.p.m. in deep Atlantic seawater | |
has abundance 1.0 × 10-4 p.p.m. in Pacific surface seawater | |
has abundance 0.4 × 10-4 p.p.m. in deep Pacific seawater | |
has specimen chips, flake or powder. Safe. | |
has world production 6.22 × 106 tonnes year-1 | |
has chief source pyrolusite, romanechite (also known as psilomelane), manganite (useful but rare) | |
has mass absorption coefficient 285 cm2 g-1 for CuKalpha X-ray diffraction | |
has mass absorption coefficient 34.7 cm2 g-1 for MoKalpha X-ray diffraction | |
has space group I-43m for α-Mn | |
has crystal cell dimension a = 891.39 pm for α-Mn | |
has crystal type b.c.c. for α-Mn | |
has atomic emission line 257.610 nm for Mn I | |
has atomic emission line 279.482 nm for Mn I (used in atom absorption spectrometry) | |
has atomic emission line 279.827 nm for Mn I | |
has atomic emission line 403.076 nm for Mn I (strong) | |
has atomic emission line 403.307 nm for Mn I | |
has atomic emission line 403.449 nm for Mn I | |
has term symbol 6S5/2 in ground state | |
has electron configuration [Ar]3d54s2 in ground state | |
has mass of element in person 12 mg for a 70 kg average person | |
has daily dietary intake 0.4 - 10 mg | |
has level in humans 0.0016 - 0.075 mg dm-3 in blood | |
has level in humans 0.2 - 100 p.p.m. in bone | |
has level in humans 3.6 - 9.6 p.p.m. in liver | |
has level in humans 0.2 - 2.3 p.p.m. in muscle | |
has hazard exposure to dust or fumes should not exceed 5 mg m-3 | |
has hazard compounds are experimental carcinogens and teratogens | |
has biological role essential to all species | |
has linear expansion coefficient 22 × 10-6 K-1 | |
has thermal conductivity 7.82 W m-1 K-1 at 300 K | |
has molar volume 7.38 cm3 | |
has heat capacity 26.32 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K | |
has heat capacity 20.79 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | |
has heat of vaporization 219.7 kJ mol-1 | |
has heat of fusion 14.4 kJ mol-1 | |
has boiling point 2235 K | |
has melting point 1517 K | |
has electronegativity 1.55 Pauling | |
has relative atomic mass 54.93805 in units of 12C = 12.000 | |
has ionic radii 52 pm for Mn4+ | |
has ionic radii 70 pm for Mn3+ | |
has ionic radii 91 pm for Mn2+ | |
has atomic radii 124 pm | |
has number of protons 25 | |
has registry number 7439-96-5 for Chemical Abstracts System database | |
has density 7440 kg m-3 for α-Mn solid at 293 K | |
has density 6430 kg m-3 for liquid at 2235 K melting point | |
has ocean oxidation state II | |
has ocean residence time 50 years | |
has atomic number 25 | |
reacts with oxygen by burning | |
reacts with water | |
reacts with dilute acids by dissolving | |
has discovery date 1774 (isolated) | |
has discoverer J.G. Gahn | |
has uses steel production, ceramics, feed supplements and fertilizer additives | |
has image | |
scavenged oceanic element | has ocean concentration decreasing with depth | |
chalcophile element | has occurrence in sulfide minerals | |
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 | |