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The Element: Chlorine
Beginning of paper
General Information
We researched the chemical element known as chlorine. Chlorine has
an atomic number of 17 and an atomic weight of 35.453. It has a
valence number of 3. The element has 3 energy levels. Chlorine exists
as a greenish-yellow gas at normal temperatures and pressures. Chlorine
is second in reactivity only to fluorine among the halog ....
Middle of paper
....alts. Dry chlorine is somewhat inert or
not able to move, but moist chlorine unites directly with most of the
elements.
History
Chlorine was discovered in 1774 by Karl Scheele. Humphry Davy
proved that chlorine was an element. Extensive production began 100
years later. During the 20th Century. The amount of Chlorine used was
considered a mea.... |
| Word count: 1163 |
Page count: 5 |
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