Chlorine

Symbol ClAtomic number 17
Atomic mass
35.453
Thermal conductivity
.000089
Atomic radius
0.97
Covalent radius
0.99
Density
.00317
Atomic volume
22.7
Melting point
172.17
Oxidation states
1,3,5,7
Boiling point
239.1
Stable isotopes
2
Heat of vapor.
10.2
Electronegativity
3.16
Heat of fusion
3.203
First ionization
12.967
Specific heat
0.48
Electrical conduct.
...
Electron configuration

General descriptionNuclear data
Index

Periodic Table

Chemistry concepts
 
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Chlorine

Chlorine is the most common of the halogens. It is not as chemically active as fluorine, but is still very active and forms compounds with most elements. In pure form, it is a greenish-yellow gas with a sharp, irritating odor. It is manufactured on a large scale by electrolysis of concentrated solutions of sodium chloride.

Chlorine is a strong oxidizing agent and as a result is effective in killing bacteria. This has led to widespread use in the sterilization of drinking water, for swimming pools, etc.

Hydrogen chloride, HCl, is a gas with a sharp unpleasant odor. The gas dissolves readily in water with the liberation of heat. This forms hydrochloric acid, a very strong acid.

Chlorine is a constituent of many mineral crystals. From simple clear ionic crystals like halite, NaCl, to more complex halide containing minerals like the yellow crystals of mimetite, Pb5(AsO4)3Cl, chlorides show a range of colors.

NaCl
Atomic dataNuclear data
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Chemistry concepts

Reference
Pauling
Ch. 13
 
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Chlorine Nuclear Data

Z
A
Atomic
Mass (u)
Nuclear
Mass(GeV/c2
Binding
Energy(MeV)
Spin
Natural
Abund.
Half-life
Decay
Q
MeV
17
35
34.968853
32.5649
298.21
3/2
0.7577
stable
...
...
17
36
35.968307
33.4958
306.79
2
...
0.3My
b+,b-
.071,1.14
17
37
36.965903
34.4251
317.1
3/2
0.2423
stable
...
...
17
37
38.968004
36.2901
331.29
3/2
...
55.7m
b-
3.44
Atomic data
Index

Periodic Table

Chemistry concepts

Reference
Rohlf
 
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