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Template:Infobox nitrogen

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Chemical element with atomic number 7 (N)
Nitrogen,7N
A transparent liquid, with visible evaporation, being poured
Liquid nitrogen (N2 at below196°C)
Nitrogen
Allotropes see §Allotropes
Appearancecolorless gas, liquid or solid
Standard atomic weight Ar°(N)
Nitrogen in the periodic table


N

P
carbonnitrogenoxygen
Atomic number (Z)7
Group group15 (pnictogens)
Period period2
Block p-block
Electron configuration [He ] 2s2 2p3
Electrons per shell2, 5
Physical properties
Phase atSTP gas
Melting point (N2) 63.23[3] K (−209.92°C,−345.86°F)
Boiling point (N2) 77.355K(−195.795°C,−320.431°F)
Density (atSTP)1.2506g/L[4] at 0 °C, 1013 mbar
whenliquid (atb.p.)0.808g/cm3
Triple point 63.151K,12.52kPa
Critical point 126.21K, 3.39MPa
Heat of fusion (N2) 0.72kJ/mol
Heat of vaporization (N2) 5.57kJ/mol
Molar heat capacity 14.562J/(mol·K)(N)
29.124J/(mol·K)(N2)
Specific heat capacity 1039.623J/(kg·K)(N)
Vaporpressure
P(Pa) 1 10 100 1k 10k 100k
atT(K) 37 41 46 53 62 77
Atomic properties
Oxidation states common: −3, +3, +5
−2,[5] −1,[5] 0,[6] +1,[5] +2,[5] +4[5]
Electronegativity Paulingscale: 3.04
Ionization energies
  • 1st:1402.3kJ/mol
  • 2nd:2856kJ/mol
  • 3rd:4578.1kJ/mol
  • (more)
Covalent radius 71±1pm
Van der Waals radius 155pm
Color lines in a spectral range
Spectral lines of nitrogen
Other properties
Natural occurrenceprimordial
Crystal structure hexagonal(hP4)
Lattice constants a=411.6pm
c=673.4pm (att.p.)[7]
Thermal conductivity ×ばつ10−3W/(m⋅K)
Magnetic ordering diamagnetic
Speed of sound 353 m/s(gas, at27°C)
CAS Number 17778-88-0
7727-37-9 (N2)
History
Naming from French nitre ("saltpetre") + -gène ("forming")
Discovery Daniel Rutherford (1772)
NamedbyJean-Antoine Chaptal (1790)
Isotopes of nitrogen
Main isotopes[8] Decay
Isotope abun­dance half-life (t1/2) mode pro­duct
13N trace 9.965min β+ 13C
14N 99.6% stable
15N 0.380% stable
16N synth 7.13s β 16O
βα<0.01% 12C
Category: Nitrogen
|references
child table, as reused in {IB-N}
Main isotopes of nitrogen
Main isotopes[8] Decay
Isotope abun­dance half-life (t1/2) mode pro­duct
13N trace 9.965min β+ 13C
14N 99.6% stable
15N 0.380% stable
16N synth 7.13s β 16O
βα<0.01% 12C
Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt) caption:
alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
most stable isotope
Wikidata
Wikidata*
* Not used in {{Infobox element}} (2023年01月01日)
See also {{Index of data sets }}·Cat:data sets(45)·(this table:
)

References

These references will appear in the article, but this list appears only on this page.
  1. "Standard Atomic Weights: Nitrogen". CIAAW. 2009.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022年05月04日). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry. doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. Lide, David R. (1990–1991). CRC Handbook of Physics and Chemistry (71st ed.). Boca Raton, Ann Arbor, Boston: CRC Press, inc. pp. 4-22 (one page).
  4. "Gases - Density". The Engineering Toolbox. Retrieved 27 January 2019.
  5. 1 2 3 4 5 Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. p. 28. doi:10.1016/C2009-0-30414-6. ISBN 978-0-08-037941-8.
  6. Tetrazoles contain a pair of double-bonded nitrogen atoms with oxidation state 0 in the ring. A Synthesis of the parent 1H-tetrazole, CH2N4 (two atoms N(0)) is given in Henry, Ronald A.; Finnegan, William G. (1954). "An Improved Procedure for the Deamination of 5-Aminotetrazole". Journal of the American Chemical Society. 76 (1): 290–291. Bibcode:1954JAChS..76..290H. doi:10.1021/ja01630a086. ISSN 0002-7863.
  7. Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.
  8. 1 2 Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3) 030001. doi:10.1088/1674-1137/abddae.

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