beryllium 14 | has symbol 14Be | |
has nuclear spin I = 0+ h/2π | |
has decay mode β- (16.4 Mev) | |
has half life 4 × 10-3 seconds | |
has number of nucleons 14 | |
has number of neutrons 10 | |
has atomic mass 13.0375 | |
is an instance of beryllium | |
beryllium | has lethal intake 317 mg kg-1 acetate in rat | |
has reserves 400000 tonnes | |
has main mining area Brazil, USA, Madagascar, Germany, Czech Republic, Russia, India | |
has mineral beryl, bertrandite, chrysoberyl, gadolinite, herderite | |
has neutron scattering length 0.779 × 10-12 cm | |
has electron affinity -18 kJ mol-1 from Be to Be- | |
has toxic intake 13 mg kg-1 in rat | |
has poisson's ratio 0.02 GPa | |
has bulk modulus 110 GPa | |
has rigidity modulus 156 GPa | |
has young's modulus 318 GPa | |
has mass magnetic susceptibility -1.3 × 10-8 kg-1 m3 for solid | |
has electrical resistivity 4.0 × 10-8 Ω m at 293 K | |
has covalent radii 89 pm | |
has thermal neutron capture cross section 0.0092 barns | |
has longest lived isotope beryllium 9 | |
has isotope mass range 6 to 11 | |
has number of isotopes 6 including nuclear isomers | |
has pronunciation be-ril-iuhm | |
has name origin beryllos = beryl from Greek | |
has discovery location Paris, France | |
has abundance 14 in Sun relative to H = 1 × 1012 | |
has abundance 2.6 p.p.m. in Earth's crust | |
has abundance 8.8 × 10-8 p.p.m. in Atlantic surface seawater | |
has abundance 17.5 × 10-8 p.p.m. in deep Atlantic seawater | |
has abundance 3.5 × 10-8 p.p.m. in Pacific surface seawater | |
has abundance 22 × 10-8 p.p.m. in deep Pacific seawater | |
has specimen lumps, powder. Danger ! | |
has world production 364 tonnes year-1 | |
has chief source beryl, bertrandite | |
has mass absorption coefficient cm2 g-1 1.50 for CuKalpha X-ray diffraction | |
has mass absorption coefficient cm2 g-1 0.298 for MoKalpha X-ray diffraction | |
has space group P63/mmc for α-Be | |
has space group Im3m for β-Be | |
has crystal cell dimension a = 228.55, c = 358.32 pm for α-Be | |
has crystal cell dimension a = 255.15 pm for β-Be | |
has crystal type h.c.p. for α-Be | |
has crystal type b.c.c. for β-Be | |
has atomic emission line 234.861 nm for Be I (used in atom absorption spectrometry) | |
has atomic emission line 381.345 nm for Be I | |
has atomic emission line 436.099 nm for Be II | |
has atomic emission line 467.333 nm for Be II | |
has atomic emission line 467.342 nm for Be II (strong) | |
has atomic emission line 527.081 nm for Be II | |
has term symbol 1S0 in ground state | |
has electron configuration [He]2s2 in ground state | |
has mass of element in person 0.036 mg for a 70 kg average person | |
has daily dietary intake 0.01 mg | |
has level in humans < 1 × 10-5 mg dm-3 in blood | |
has level in humans 0.003 p.p.m. in bone | |
has level in humans 0.0016 p.p.m. in liver | |
has level in humans 0.00075 p.p.m. in muscle | |
has hazard deadly poison, carcinogenic for lab animals and maybe for humans | |
has hazard inhalation of dust causes severe and irreparable lung damage | |
has biological role none | |
has linear expansion coefficient 11.5 × 10-6 K-1 | |
has thermal conductivity 200 W m-1 K-1 at 300 K | |
has molar volume 4.88 cm3 | |
has heat capacity 16.44 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 308.8 kJ mol-1 | |
has heat of fusion 9.80 kJ mol-1 | |
has boiling point 3243 K under pressure | |
has melting point 1551 ± 5 K | |
has electronegativity 1.57 Pauling | |
has relative atomic mass 9.012182 in units of 12C = 12.000 | |
has ionic radii 34 pm for Be+ | |
has atomic radii 113 pm | |
has number of protons 4 | |
has registry number 7440-41-7 for Chemical Abstracts System database | |
has density 1847.7 kg m-3 for solid at 293 K | |
has synthesis mechanism electrolysis of fused BeCl2 | |
has ocean oxidation state II | |
has ocean residence time 4000 years | |
has atomic number 4 | |
has discovery date 1797 | |
has discoverer Nicholas Louis Vauquelin | |
has uses alloys with copper and nickel increases electrical and thermal conductivities | |
has uses copper alloys used to make spark proof tools | |
has image | |
alkali earth metal | has hardness malleable, extrudable and machinable | |
recycled oceanic element | has ocean concentration increasing with depth | |
element | is a part of Universe | |
has synonym atom | |
oceanic element | has occurrence ocean | |
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 | |