Difference between revisions of "Neon"

From WikiChem
Jump to: navigation, search
(Created page with ''''Neon''' (symbol: '''Ne''') is a noble gas. ==Notes and references== ===Notes=== {{reflist|group=Note}} ===References=== {{reflist}} ==External links== {{wikipedia|Neon}…')
 
 
(One intermediate revision by the same user not shown)
Line 1: Line 1:
 +
{{Infobox element
 +
|name = neon
 +
|symbol = Ne
 +
|left = [[fluorine]]
 +
|right = [[sodium]]
 +
|above = [[Helium|He]]
 +
|below = [[Argon|Ar]]
 +
|atomic-number = 10
 +
|atomic-weight = 20.1797(6)
 +
|configuration = [He] 2s<sup>2</sup> 2p<sup>6</sup>
 +
|phys-ref = <ref name="NIST">{{NIST chemistry | name = Neon | id = 1S/Ne | accessdate = 2011-04-13}}.</ref><ref name="AirLiquide">{{AirLiquide | name = Neon | id = 46 | accessdate = 20111-04-13}}.</ref>
 +
|melting-point = 24.56 K (−248.59 °C)
 +
|boiling-point = 27.07 K (−246.08 °C)
 +
|critical-point = 44.4 K, 27.56 bar
 +
|triple-point = 24.56 K, 0.4337 bar
 +
|density = 0.853 kg m<sup>−3</sup> (1 atm, 15 °C)<br/>1.207 g cm<sup>−3</sup> (l, 85.2&nbsp;K)
 +
|chem-ref = <ref>{{Allred (1961)}}.</ref><ref name="G&E">{{Greenwood&Earnshaw1st|pages=920–1041}}.</ref>
 +
|electronegativity =
 +
|solubility =
 +
|IE-ref = &#32;<ref>{{citation | last1 = Kaufman | first1 = Victor | last2 = Minnhagen | first2 = Lennart | title = Accurate Ground-Term Combinations in Ne&nbsp;I | journal = J. Opt. Soc. Am. | year = 1972 | volume = 62 | issue = 1 | pages = 92–95 | doi = 10.1364/JOSA.62.000092}}.</ref><ref>{{NSRDS-NBS 34}}.</ref>
 +
|IE1 = 21.564 539(7) eV,<br/>2080.6619(7) kJ mol<sup>−1</sup>
 +
|IE2 = 40.962 eV,<br/>3952.2 kJ mol<sup>−1</sup>
 +
|IE3 = 63.45 eV,<br/>6122 kJ mol<sup>−1</sup>
 +
|IE4 = 97.11 eV,<br/>9370 kJ mol<sup>−1</sup>
 +
|IE5 = 126.21 eV,<br/>12177 kJ mol<sup>−1</sup>
 +
|IE6 = 157.93 eV<br/>15238 kJ mol<sup>−1</sup>
 +
|IE7 = 207.27 eV,<br/>19999 kJ mol<sup>−1</sup>
 +
|IE8 = 239.09 eV,<br/>23069 kJ mol<sup>−1</sup>
 +
|radius-ref = &#32;<ref>{{Bondi (1964)}}.</ref>
 +
|vdw-radius = 154 pm
 +
|thermo-ref = &#32;<ref>{{CODATA thermo}}.</ref><ref name="AirLiquide"/>
 +
|entropy = 146.328(3) J K<sup>−1</sup> mol<sup>−1</sup>
 +
|enthalpy-fusion = 0.335 kJ mol<sup>−1</sup>
 +
|enthalpy-vaporization = 1.790 kJ mol<sup>−1</sup>
 +
|heat-capacity = 21 J K<sup>−1</sup> mol<sup>−1</sup>
 +
|misc-ref =
 +
|CAS-number = 7440-01-9
 +
|EC-number = 231-110-9
 +
|StdInChIKey = GKAOGPIIYCISHV-UHFFFAOYSA-N
 +
}}
 
'''Neon''' (symbol: '''Ne''') is a [[noble gas]].
 
'''Neon''' (symbol: '''Ne''') is a [[noble gas]].
  

Latest revision as of 15:14, 13 April 2011

fluorine ← neon → sodium
He
↑
Ne
↓
Ar
Atomic properties
Atomic number 10
Standard atomic weight 20.1797(6)
Electron configuration [He] 2s2 2p6
Physical properties[1][2]
Melting point 24.56 K (−248.59 °C)
Boiling point 27.07 K (−246.08 °C)
Triple point 24.56 K, 0.4337 bar
Critical point 44.4 K, 27.56 bar
Density 0.853 kg m−3 (1 atm, 15 °C)
1.207 g cm−3 (l, 85.2 K)
Ionization energies [3][4]
1st 21.564 539(7) eV,
2080.6619(7) kJ mol−1
2nd 40.962 eV,
3952.2 kJ mol−1
3rd 63.45 eV,
6122 kJ mol−1
4th 97.11 eV,
9370 kJ mol−1
5th 126.21 eV,
12177 kJ mol−1
6th 157.93 eV
15238 kJ mol−1
7th 207.27 eV,
19999 kJ mol−1
8th 239.09 eV,
23069 kJ mol−1
Atomic radii [5]
Van der Waals radius 154 pm
Thermodynamic properties [6][2]
Standard entropy 146.328(3) J K−1 mol−1
Enthalpy change of fusion 0.335 kJ mol−1
Enthalpy change of vaporization 1.790 kJ mol−1
Molar heat capacity (Cp) 21 J K−1 mol−1
Miscellaneous
CAS number 7440-01-9
EC number 231-110-9
Where appropriate, and unless otherwise stated, data are given for 100 kPa (1 bar) and 298.15 K (25 °C).
This box: view • talk

Neon (symbol: Ne) is a noble gas.

Notes and references

Notes

References

  1. ↑ Neon. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/Ne>. (accessed 13 April 2011).
  2. ↑ 2.0 2.1 Neon. In Gas Encyclopedia; Air Liquide, <http://encyclopedia.airliquide.com/encyclopedia.asp?GasID=46>. (accessed 13 April).
  3. ↑ Kaufman, Victor; Minnhagen, Lennart Accurate Ground-Term Combinations in Ne I. J. Opt. Soc. Am. 1972, 62 (1), 92–95. DOI: 10.1364/JOSA.62.000092.
  4. ↑ Moore, Charlotte E. Ionization potentials and ionization limits derived from the analyses of optical spectra. Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.) 1970, 34, 1–22, <http://www.nist.gov/data/nsrds/NSRDS-NBS34.pdf>.
  5. ↑ Bondi, A. van der Waals Volumes and Radii. J. Phys. Chem. 1964, 68 (3), 441–51. DOI: 10.1021/j100785a001.
  6. ↑ Cox, J. D.; Wagman, D. D.; Medvedev, V. A. CODATA Key Values for Thermodynamics; Hemisphere: New York, 1989. ISBN 0891167587, <http://www.codata.org/resources/databases/key1.html>.

External links

Wikipedia-logo.png See also the corresponding article on Wikipedia.
Error creating thumbnail: Unable to save thumbnail to destination
 This page is currently licensed under the Creative Commons Attribution 3.0 Unported license and any later versions of that license.
Retrieved from "https://wiki.potsdam.edu/wikichem/index.php?title=Neon&oldid=12378"