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physical object > natural object > particle > element > column grouped element > group V element > nitrogen |
nitrogen (N, 4S3/2 in ground state) | ||||
subject | fact |
nitrogen | has symbol N | |
has reserves × 10 tonnes | ||
has mineral nitratine, nitrammite, nitrobarite, nitrocalcite and nitromagnesite | ||
has neutron scattering length 0.936 × 10-12 cm | ||
has electron affinity -7 kJ mol-1 from N to N- | ||
has toxic intake non-toxic as N2 gas but NO2, HCN and NH3 are toxic | ||
has mass magnetic susceptibility -5.4 × 10-9 kg-1 m3 for gas | ||
has van der Waals radii 154 pm | ||
has covalent radii 70 pm for single bond | ||
has thermal neutron capture cross section 1.91 barns | ||
has longest lived isotope nitrogen 14 | ||
has isotope mass range 12 to 18 | ||
has number of isotopes 8 including nuclear isomers | ||
has pronunciation niy-troh-jen | ||
has name origin nitron genes = nitre forming (potassium nitrate) from Greek | ||
has discovery location Edinburgh, Scotland, UK | ||
has abundance 8.71 × 107 in Sun relative to H = 1 × 1012 | ||
has abundance 25 p.p.m. in Earth's crust | ||
has abundance 780900 p.p.m. by volume in Earth's atmosphere | ||
has abundance p.p.m. in seawater | ||
has specimen small pressurized canisters. Safe. | ||
has world production 44 × 106 tonnes year-1 | ||
has chief source liquified air | ||
has mass absorption coefficient 7.52 cm2 g-1 for CuKα X-ray diffraction | ||
has mass absorption coefficient 0.916 cm2 g-1 for MoKα X-ray diffraction | ||
has space group | ||
has crystal cell dimension a = pm | ||
has crystal type | ||
has atomic emission line 399.500 nm for N II (strong) | ||
has atomic emission line 463.054 nm for N II | ||
has atomic emission line 500.515 nm for N II | ||
has atomic emission line 567.956 nm for N II | ||
has atomic emission line 746.831 nm for N I | ||
has atomic emission line 1246.962 nm for N I | ||
has term symbol 4S3/2 in ground state | ||
has electron configuration [He]2s22p3 in ground state | ||
has mass of element in person 1.8 kg for a 70 kg average person | ||
has daily dietary intake high | ||
has level in humans 34300 mg dm-3 in blood | ||
has level in humans 43000 p.p.m. in bone | ||
has level in humans 72000 p.p.m. in liver | ||
has level in humans 72000 p.p.m. in muscle | ||
has hazard harmless gas, but it could asphyxiate if it excluded oxygen from the lungs | ||
has biological role constituent element of DNA and amino acids; nitrogen cycle in nature | ||
has thermal conductivity 0.02598 W m-1 K-1 at 300 K for gas | ||
has molar volume 12.65 cm3 | ||
has heat capacity 29.125 J K-1 mol-1 for molecular gas (N2) at constant pressure 0.1 MPa at 298.15 K | ||
has heat capacity 20.786 J K-1 mol-1 for atomic gas at constant pressure 0.1 MPa at 298.15 K | ||
has heat of vaporization 5.577 kJ mol-1 | ||
has heat of fusion 0.720 kJ mol-1 | ||
has boiling point 77.4 K | ||
has melting point 63.29 K | ||
has electronegativity 3.04 Pauling | ||
has relative atomic mass 14.00674 in units of 12C = 12.000 | ||
has atomic radii 71 pm | ||
has number of protons 7 | ||
has registry number 7727-37-9 for Chemical Abstracts System database | ||
has density 1026 kg m-3 for solid at 21 K | ||
has density 880 kg m-3 for liquid at 77.4 K boiling point | ||
has density 1.2506 kg m-3 for gas at 273 K | ||
has synthesis mechanism liquifaction of air | ||
has ocean oxidation state V | ||
has ocean residence time 6000 years | ||
has atomic number 7 | ||
reacts with generaly unreactive at normal temperatures | ||
has discovery date 1772 | ||
has discoverer D. Rutherford | ||
has uses fertilizers, acids (HNO3), explosives, plastics and dyes | ||
has image | ||
has definition colourless, odourless gas (N2) | ||
is a kind of nonmetallic element | ||
is a kind of group V element | ||
is a kind of gaseous element | ||
is a kind of atmophile element | ||
is a kind of recycled oceanic element | ||
has critical pressure 3394 kPa | ||
has critical temperature 126.05 K | ||
recycled oceanic element | has ocean concentration increasing with depth | |
atmophile element | has occurrence atmosphere of a planet or asteroid | |
gaseous element | has state gas at standard temperature and pressure | |
group V element | has group 15 | |
has synonym pnictogen | ||
element | is a part of Universe | |
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 nitrogen :
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