Chlorine

A greenish yellow gas and second in the halogen group. It has an irritating smell and a destructive effect on the respiratory system. It is a powerful oxidising agent. It was first used to purify water by William Cruikshank in 1800.


Symbol
Cl

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Atomic number 17 Clip
Atomic / Molecular Weight 35.453 gmol-1Clip
Density 2030 kgm-3Clip
Lattice constant 624 fmClip
Melting Point 172 KClip
Boiling Point 239 KClip
Specific heat capacity 477 Jkg-1K-1Clip
Latent heat of evaporation 281000 Jkg-1Clip
Ratio of Specific Heats 1.36 Clip
Thermal conductivity 0.0072 Wm-1K-1Clip
Refractive index 1.000773 at 589.3nm 101.3kPa 0CClip
Refractivity 0.000773 Clip
Bulk Modulus of Rigidity 1100000000 Nm-2Clip
Viscosity 0.0000129 Nsm-2Clip
Kinematic Viscosity 6.35467980295567E-09 m2s-1Clip
Critical Temperature 417 KClip
Critical Pressure 7710000 PaClip
Critical Volume 0.000124 m3mol-1Clip
Electromotive Series -1.36 VClip
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See also: Antichlor, Chlorination, Halide, Halogen, Halon, Periodic Table.

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Subjects: Chemistry