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nitrogen 17 (17N)
subject			fact

nitrogen 17	has symbol 17N
	has nuclear spin I = 1/2-
	has decay mode β+
	has decay mode β-n (8.680 Mev)
	has decay mode γ
	has half life 4.17 seconds
	has number of nucleons 17
	has number of neutrons 10
	has atomic mass 17.008450
	is an instance of nitrogen
nitrogen	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 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

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