oxygen 14 | has symbol 14O | |
has nuclear spin I = 0+ | |
has decay mode β+ (5.1430 Mev) | |
has decay mode γ | |
has half life 70.60 seconds | |
has number of nucleons 14 | |
has number of neutrons 6 | |
has atomic mass 14.008595 | |
is an instance of oxygen | |
oxygen | has lethal intake 4800 p.p.m. for 4 hours inhaled ozone (O3) | |
has reserves 1.2 × 1015 tonnes in atmosphere | |
has mineral oxides, silicates, carbonates, phosphates, sulfates also occurs as gas in atmosphere and as water | |
has neutron scattering length 0.5803 × 10-12 cm | |
has electron affinity 141 kJ mol-1 from O to O- | |
has toxic intake non-toxic as O2, but toxic as ozone (O3) | |
has mass magnetic susceptibility +1.355 × 10-6 kg-1 m3 for gas | |
has van der Waals radii 140 pm | |
has covalent radii 66 pm for single bond | |
has thermal neutron capture cross section 0.00019 barns | |
has longest lived isotope oxygen 16 | |
has isotope mass range 13 to 20 | |
has number of isotopes 8 including nuclear isomers | |
has pronunciation oksi-jen | |
has name origin oxy genes = acid forming from Greek | |
has discovery location Leeds, England and Uppsala, Sweeden | |
has abundance 6.92 × 108 in Sun relative to H = 1 × 1012 | |
has abundance 474000 p.p.m. in Earth's crust (most abundant element on surface) | |
has abundance constituent element of water | |
has specimen small pressurized canisters. Safe, but be aware of possible dangers. | |
has world production 1 × 108 | |
has chief source liquid air | |
has mass absorption coefficient 11.5 cm2 g-1 for CuKα X-ray diffraction | |
has mass absorption coefficient 1.31 cm2 g-1 for MoKα X-ray diffraction | |
has space group | |
has crystal cell dimension a = pm | |
has crystal type | |
has atomic emission line 777.194 nm for O I | |
has atomic emission line 777.417 nm for O I | |
has atomic emission line 844.625 nm for O I | |
has atomic emission line 844.636 nm for O I | |
has atomic emission line 844.676 nm for O I | |
has term symbol 3P2 in ground state | |
has electron configuration [He]2s22p4 in ground state | |
has mass of element in person 43 kg for a 70 kg average person, mainly as water | |
has daily dietary intake mainly as water | |
has level in humans constitutent of water | |
has level in humans 285000 p.p.m. in bone | |
has level in humans 160000 p.p.m. in liver | |
has level in humans 160000 p.p.m. in muscle | |
has hazard O2 within a few percent of its natural concentration in air is harmless, but too little and it cannot sustain life, too much and it can cause pulmonary changes and teratogenic effects and is a fire hazard. | |
has biological role constituent element of DNA and of most other biologically important compounds | |
has thermal conductivity 0.2674 W m-1 K-1 at 300 K | |
has molar volume 8.00 cm3 at 54 K | |
has heat capacity 29.355 J K-1 mol-1 for molecular gas (O2 at constant pressure 0.1 MPa at 298.15 K | |
has heat capacity 21.912 J K-1 mol-1 for atomic gas at constant pressure 0.1 MPa at 298.15 K | |
has heat of sublimation kJ mol-1 | |
has heat of vaporization 6.82 kJ mol-1 | |
has heat of fusion 0.444 kJ mol-1 | |
has boiling point 90.188 K | |
has melting point 54.8 K | |
has electronegativity 3.44 Pauling | |
has relative atomic mass 15.9994 in units of 12C = 12.000 | |
has ionic radii 22 pm for O+ | |
has ionic radii 132 pm for O2- | |
has atomic radii pm | |
has number of protons 8 | |
has registry number 7782-44-7 for Chemical Abstracts System database | |
has density 2000 kg m-3 for solid at 54.8 K melting point | |
has density 1140 kg m-3 for liquid at 90.188 K boiling point | |
has density 1.429 kg m-3 for gas at 273 K | |
has atomic number 8 | |
reacts with all other elements except He, Ne, Ar and Kr | |
has discovery date 1774 | |
has discoverer J. Priestley, C.W. Sheele | |
has uses steel-making, metal-cutting, the chemical industry and in medical treatment | |
has image | |
has critical pressure 5043 kPa | |
has critical temperature 154.58 K | |
unclassified oceanic element | has ocean residence time unknown | |
has ocean concentration unknown | |
atmophile element | has occurrence atmosphere of a planet or asteroid | |
gaseous element | has state gas at standard temperature and pressure | |
group VI element | has group 16 | |
has synonym chalcogen | |
element | is a part of Universe | |
oceanic element | has ocean oxidation state | |
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 | |