Template:Infobox nitrogen

Nitrogen, ₇N

Nitrogen
Appearance	colorless gas, liquid or solid
Standard atomic weight Ar, std(N)	[7001140064300000000♠14.00643, 7001140072800000000♠14.00728] conventional: 7001140070000000000♠14.007
Nitrogen in the periodic cairt
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 Airn Cobalt Nickel Capper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Siller (element) 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 Gowd Mercur (element) Thallium Leid (element) 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 Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium - ↑ N ↓ P carbon ← nitrogen → oxygen
Atomic nummer (Z)	7
Group	group 15 (pnictogens)
Period	period 2
Block	p-block
Element category	Reactive nonmetal
Electron confeeguration	[He] 2s2 2p3
Electrons per shell	2, 5
Pheesical properties
Phase at STP	gas
Meltin pynt	63.15 K ​(−210.00 °C, ​−346.00 °F)
Bylin pynt	77.36 K ​(−195.79 °C, ​−320.33 °F)
Density (at STP)	1.251 g/L
whan liquid (at b.p.)	0.808 g/cm3
Treeple pynt	63.1526 K, ​12.53 kPa
Creetical pynt	126.19 K, 3.3978 MPa
Heat o fusion	(N2) 0.72 kJ/mol
Heat o vapourisation	(N2) 5.56 kJ/mol
Molar heat capacity	(N2) 29.124 J/(mol·K)
Vapour pressur P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 37 41 46 53 62 77
Atomic properties
Oxidation states	−3, −2, −1, +1, +2, +3, +4, +5 strangly acidic
Electronegativity	Pauling scale: 3.04
Ionisation energies	(more)
Covalent radius	71±1 pm
Van der Waals radius	155 pm
Colour lines in a spectral range Spectral lines o nitrogen
Ither properties
Naitural occurrence	primordial
Creestal structur	​hexagonal
Speed o soond	(gas, 27 °C) 353 m/s
Thermal conductivity	25.83 × 10−3 W/(m·K)
Magnetic orderin	diamagnetic
CAS Nummer	7727-37-9
History
Diskivery	Daniel Rutherford (1772)
Named by	Jean-Antoine Chaptal (1790)
Main isotopes o nitrogen
Iso­tope Abun­dance Hauf-life (t1/2) Decay mode Pro­duct 13N syn 9.965 min ε 13C 14N 99.634% stable 15N 0.366% stable

style="text-align:left"| data m.p. cat
	in	calc from C	diff	report	ref
C	−210.00	—	—
K	63.15	63.15	0
F	−346.00	−346.00	0
WD	!
input	C: −210.00, K: 63.15, F: −346.00
comment

style="text-align:left"| data b.p. cat
	in	calc from C	diff	report	ref
C	−195.79	—	—
K	77.36	77.36	0
F	−320.33	−320.42	0.09
WD	!
input	C: −195.79, K: 77.36, F: −320.33
comment

References

Thir references will appear in the airticle, but this list appears anerly on this page.