మూస:నియాన్ మూలకము

వికీపీడియా నుండి
Jump to navigation Jump to search
నియాన్, 00Ne
నియాన్
Appearancecolorless gas exhibiting an orange-red glow when placed in a high voltage electric field
Standard atomic weight Ar°(Ne)
నియాన్ 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
He

Ne

Ar
ఫ్లోరిన్నియాన్సోడియం
Groupమూస:Infobox element/symbol-to-group/format
Periodperiod 2
Block  p-block
Electron configuration[He] 2s2 2p6
Electrons per shell2, 8
Physical properties
Phase at STPgas
Melting point24.56 K ​(-248.59 °C, ​-415.46 °F)
Boiling point27.104 K ​(-246.046 °C, ​-410.883 °F)
Density (at STP)0.9002 g/L
when liquid (at b.p.)1.207[3] g/cm3
Triple point24.556 K, ​43.37[4][5] kPa
Critical point44.4918 K, 2.7686[5] MPa
Heat of fusion0.335 kJ/mol
Heat of vaporization1.71 kJ/mol
Molar heat capacity5R/2 = 20.786 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 12 13 15 18 21 27
Atomic properties
Oxidation states0
Ionization energies
Covalent radius58 pm
Van der Waals radius154 pm
Color lines in a spectral range
Spectral lines of నియాన్
Other properties
Natural occurrenceprimordial
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for నియాన్
Speed of sound(gas, 0 °C) 435 m/s
Thermal conductivity49.1×10−3  W/(m⋅K)
Magnetic orderingdiamagnetic[6]
Bulk modulus654 GPa
CAS Number7440-01-9
History
PredictionWilliam Ramsay (1897)
DiscoveryWilliam Ramsay & Morris Travers[7] (1898)
First isolationWilliam Ramsay & Morris Travers[8] (1898)
Isotopes of నియాన్
Template:infobox నియాన్ isotopes does not exist
 Category: నియాన్
| references

References

  1. "Standard Atomic Weights: Neon". CIAAW. 1985.
  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. Hammond, C.R. (2000). The Elements, in Handbook of Chemistry and Physics 81st edition (PDF). CRC press. p. 19. ISBN 0849304814.
  4. Preston-Thomas, H. (1990). "The International Temperature Scale of 1990 (ITS-90)". Metrologia. 27: 3–10. Bibcode:1990Metro..27....3P. doi:10.1088/0026-1394/27/1/002.
  5. 5.0 5.1 Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed.). Boca Raton, FL: CRC Press. p. 4.122. ISBN 1439855110.
  6. Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  7. Ramsay, William; Travers, Morris W. (1898). "On the Companions of Argon". Proceedings of the Royal Society of London. 63 (1): 437–440. doi:10.1098/rspl.1898.0057.
  8. "Neon: History". Softciências. Retrieved February 27, 2007.
  9. "HNe". NIST Chemistry WebBook. National Institute of Standards and Technology. Retrieved 23 January 2013.