Template:Infobox chlorine: Difference between revisions

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Latest revision as of 18:01, 11 November 2018

Chlorine,  17Cl
Template:Infobox element/symbol-to-top-image-alt
General properties
PronunciationTemplate:Infobox element/pronunciation
Appearancepale yellow-green gas
Standard atomic weight (Ar, standard)Template:Infobox element/standard atomic weight
Mass numberTemplate:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Chlorine in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)17
GroupTemplate:Infobox element/group
Periodperiod 3
Blockp-block
Element categoryTemplate:Infobox element/category format
Electron configuration[Ne] 3s2 3p5
Electrons per shell
2, 8, 7
Physical properties
Phase at STPgas
Melting point171.6 K ​(−101.5 °C, ​−150.7 °F)
Boiling point239.11 K ​(−34.04 °C, ​−29.27 °F)
Density (at STP)3.2 g/L
when liquid (at b.p.)1.5625 g/cm3[1]
Critical point416.9 K, 7.991 MPa
Heat of fusion(Cl2) 6.406 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]](Cl2) 20.41 kJ/mol
Molar heat capacity(Cl2)
33.949 J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]]
Atomic properties
Oxidation statesTemplate:Infobox element/symbol-to-oxidation-state
ElectronegativityPauling scale: 3.16
[[Ionization energy|Template:Engvar energies]]
  • 1st: 1251.2 kJ/mol
  • 2nd: 2298 kJ/mol
  • 3rd: 3822 kJ/mol
  • (more)
Covalent radius102±4 pm
Van der Waals radius175 pm
Template:Infobox element/spectral lines
Other properties
Crystal structureTemplate:Infobox element/crystal structure
Speed of sound206 m/s (gas, at 0 °C)
Thermal conductivity8.9Template:E W/(m·K)
Electrical resistivity>10 Ω·m (at 20 °C)
Magnetic orderingdiamagnetic[2]
Magnetic susceptibility−40.5·10−6 cm3/mol[3]
CAS Number7782-50-5
History
Discovery and first isolationCarl Wilhelm Scheele (1774)
Recognized as an element byHumphry Davy (1808)
Main isotopes of chlorine
Template:Infobox element/isotopes table
| references

Template:Infobox element/element navigation Template:Template reference list Expression error: Unrecognized word "template".

  1. Chlorine, Gas Encyclopaedia, Air Liquide
  2. Magnetic susceptibility of the elements and inorganic compounds, in Template:RubberBible86th
  3. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.