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Chlorine (Cl)

Last updated: July 25, 2017

What Does Chlorine (Cl) Mean?

Chlorine (Cl) is an element on the periodic table with atomic number 17. Chlorine is a gas at room temperature and is greenish-yellow in color. Chlorine is considered a toxic gas and can be lethal if inhaled in large quantities.


Corrosionpedia Explains Chlorine (Cl)

Some properties of chlorine:

  • Average atomic mass: 35.45 amu
  • Density: 3.2 grams/liter
  • Melting point: -101.5°C (-150.7°F)
  • Boiling point: -34.04°C (-29.27°F)

Chlorine has many uses. It is widely known for its use as a disinfectant. Chlorine is used to treat water and to make cleaning products because it has the ability to kill bacteria. Chlorine is also an ingredient in polyvinyl chloride (PVC), which is used as a material for coatings, pipes, flooring and many more objects.

When combined with sodium it forms sodium chloride, commonly known as table salt.


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