మూస:సమాచార పెట్టె నత్రజని

నత్రజని, 00N
A transparant liquid, with visible evaporation, being poured into a beaker
Liquid nitrogen (N2 at below −196 °C)
నత్రజని
Allotropessee § Allotropes
Appearanceరంగులేని వాయువు, ద్రవం లేదా ఘనం
Standard atomic weight Ar°(N)
నత్రజని 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 Ununtrium Flerovium Ununpentium Livermorium Ununseptium Ununoctium
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N

P
కార్బన్నత్రజనిఆక్సిజన్
Groupమూస:Infobox element/symbol-to-group/format
Periodperiod 2
Block  p-block
Electron configuration[He] 2s2 2p3
Electrons per shell2, 5
Physical properties
Phase at STPgas
Melting point63.15 K ​(−210.00 °C, ​−346.00 °F)
Boiling point77.355 K ​(−195.795 °C, ​−320.431 °F)
Density (at STP)1.251 g/L
when liquid (at b.p.)0.808 g/cm3
Triple point63.151 K, ​12.52 kPa
Critical point126.192 K, 3.3958 MPa
Heat of fusion(N2) 0.72 kJ/mol
Heat of vaporization(N2) 5.56 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−3, −2, −1, 0,[3] +1, +2, +3, +4, +5 (a strongly acidic oxide)
ElectronegativityPauling scale: 3.04
Ionization energies
Covalent radius71±1 pm
Van der Waals radius155 pm
Color lines in a spectral range
Spectral lines of నత్రజని
Other properties
Natural occurrenceprimordial
Crystal structurehexagonal
Hexagonal crystal structure for నత్రజని
Speed of sound(gas, 27 °C) 353 m/s
Thermal conductivity25.83 × 10−3 W/(m⋅K)
Magnetic orderingdiamagnetic
CAS Number7727-37-9
History
DiscoveryDaniel Rutherford (1772)
Named byJean-Antoine Chaptal (1790)
Isotopes of నత్రజని
Template:infobox నత్రజని isotopes does not exist
 Category: నత్రజని
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References

  1. "Standard Atomic Weights: Nitrogen". CIAAW. 2009.
  2. Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; et al. (2022-05-04). "Standard atomic weights of the elements 2021 (IUPAC Technical Report)". Pure and Applied Chemistry (in ఇంగ్లీష్). doi:10.1515/pac-2019-0603. ISSN 1365-3075.
  3. 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 Ronald A. Henry and William G. Finnegan, "An Improved Procedure for the Deamination of 5-Aminotetrazole", _J. Am. Chem. Soc._ (1954), 76, 1, 290–291, https://doi.org/10.1021/ja01630a086.