Template:Infobox nitrogen

Nitrogen, ₇N

A transparent liquid, with visible evaporation, being poured Liquid nitrogen (N2 at below −196 °C)
Nitrogen
Allotropes	see § Allotropes
Appearance	colorless gas, liquid or solid
Standard atomic weight Ar°(N)
	[14.00643, 14.00728] 14.007±0.001 (abridged)
Nitrogen in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson – ↑ N ↓ P carbon ← nitrogen → oxygen
Atomic number (Z)	7
Group	group 15 (pnictogens)
Period	period 2
Block	p-block
Electron configuration	[He] 2s2 2p3
Electrons per shell	2, 5
Physical properties
Phase at STP	gas
Melting point	(N2) 63.23 K ​(−209.86 °C, ​−345.75 °F)
Boiling point	(N2) 77.355 K ​(−195.795 °C, ​−320.431 °F)
Density (at STP)	1.2506 g/L at 0 °C, 1013 mbar
when liquid (at b.p.)	0.808 g/cm3
Triple point	63.151 K, ​12.52 kPa
Critical point	126.21 K, 3.39 MPa
Heat of fusion	(N2) 0.72 kJ/mol
Heat of vaporization	(N2) 5.57 kJ/mol
Molar heat capacity	(N2) 29.124 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 37 41 46 53 62 77
Atomic properties
Oxidation states	common: −3, +3, +5 −2, −1, 0, +1, +2, +4
Electronegativity	Pauling scale: 3.04
Ionization energies	1st: 1402.3 kJ/mol 2nd: 2856 kJ/mol 3rd: 4578.1 kJ/mol (more)
Covalent radius	71±1 pm
Van der Waals radius	155 pm
Color lines in a spectral range Spectral lines of nitrogen
Other properties
Natural occurrence	primordial
Crystal structure	​hexagonal (hP4)
Lattice constants	Hexagonal crystal structure for nitrogen a = 411.6 pm c = 673.4 pm (at t.p.)
Thermal conductivity	25.83×10−3 W/(m⋅K)
Magnetic ordering	diamagnetic
Speed of sound	353 m/s (gas, at 27 °C)
CAS Number	17778-88-0 7727-37-9 (N2)
History
Discovery	Daniel Rutherford (1772)
Named by	Jean-Antoine Chaptal (1790)
Isotopes of nitrogen
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 13N trace 9.965 min β+ 13C 14N 99.6% stable 15N 0.4% stable 16N synth 7.13 s β− 16O β−α<0.01% 12C

N · Nitrogen
C ← ibox C	iso 7 N  [] IB-N [] IBisos []	→ O ibox O
File:Symbol category class.svg cat:N (0) File:Symbol category class.svg cat:N-isotopes (0) File:Commons-logo.svg Commons File:Wikidata-logo.svg Wikidata:Q627 File:Wiktionary-logo.svg Wiktionary
indexes by PT (page)

child table, as reused in {IB-N}
Main isotopes of nitrogen
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 13N trace 9.965 min β+ 13C 14N 99.6% stable 15N 0.4% stable 16N synth 7.13 s β− 16O β−α<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
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (0) · (this table: )

References

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