Chlorine

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by PaytonLandis2
Last updated 5 years ago

Discipline:
Science
Subject:
Chemical Elements

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Chlorine

FACTSChlorine is a chemical element with the symbol Cl and atomic number 17. It also has a relative atomic mass of 35.5.1. Chlorine is a member of the halogen group.2. Only fluorine is a lighter halogen than chlorine.3. It took almost 200 years from the discovery of chlorine gas for it to become recognized as an element.4. Chlorine in its pure form is yellowish-green, but its common compounds are typically colorless.5. Chlorine has two stable isotopes, Cl-35 and Cl-37.

Chlorine(Cl)

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In high concentrations chlorine is extremely dangerous and poisonous. It is also heavier than air, so it can fill up enclosed spaces. Because of these facts chlorine was the first gas chemical used as a weapon in warfare when both sides at times released it in low-lying trenches of World War I.

Chlorine is commonly used as an antiseptic and is used to make drinking water safe, treating swimming pools, and it is also used to disinfect water.

Uses

Interesting Fact

History

Carl Wilhelm ScheeleChlorine was discovered in 1774 by Carl Wilhelm Scheele. He obtained it through the reaction of a mineral with hydrochloric acid. He thought the resulting gas contained oxygen.Sir Humphry DavyIt was actually name Chlorine by Sir Humphry Davy.

Two of the most familiar chlorine compounds are sodium chloride (NaCl) and hydrogen chloride (HCl).Sodium chloride1. Also known as salt. 2. Colorless only white when pure.Hydrogen chloride 1. At room temperature it is a colorless gas.2. It can sink and mix with water.

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