Difference between revisions of "Template:Infobox chlorine"

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sulfurchlorineargon
F

Cl

Br
Appearance
pale yellow-green gas
250px
General properties
Name, symbol, number chlorine, Cl, 17
Pronunciation /ˈklɔərn/ KLOR-een
Element category Halogen
Group, period, block 173, p
Standard atomic weight 35.453(2)g·mol−1
Electron configuration [Ne] 3s2 3p5
Electrons per shell 2, 8, 7 (Image)
Physical properties
Phase gas
Density (0 °C, 101.325 kPa)
3.2 g/L
Melting point 171.6 K, -101.5 °C, -150.7 °F
Boiling point 239.11 K, -34.04 °C, -29.27 °F
Critical point 416.9 K, 7.991 MPa
Heat of fusion (Cl2) 6.406 kJ·mol−1
Heat of vaporization (Cl2) 20.41 kJ·mol−1
Specific heat capacity (25 °C) (Cl2)
33.949 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 128 139 153 170 197 239
Atomic properties
Oxidation states 7, 6, 5, 4, 3, 2, 1, -1
(strongly acidic oxide)
Electronegativity 3.16 (Pauling scale)
Ionization energies
(more)
1st: 1251.2 kJ·mol−1
2nd: 2298 kJ·mol−1
3rd: 3822 kJ·mol−1
Covalent radius 102±4 pm
Van der Waals radius 175 pm
Miscellanea
Crystal structure orthorhombic
Magnetic ordering diamagnetic[1]
Electrical resistivity (20 °C) > 10 Ω·m
Thermal conductivity (300 K) 8.9x10-3  W·m−1·K−1
Speed of sound (gas, 0 °C) 206 m/s
CAS registry number 7782-50-5
Most stable isotopes
Main article: Isotopes of chlorine
iso NA half-life DM DE (MeV) DP
35Cl 75.77% 35Cl is stable with 18 neutrons
36Cl trace 3.01×105 y β 0.709 36Ar
ε - 36S
37Cl 24.23% 37Cl is stable with 20 neutrons
Template:Template reference list
  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.