The Element: Chlorine
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 halogen elements.
Chlorine is a nonmetal. It is estimated that 0.045% of the earth’s
crust and 1.9% of sea water are chlorine. Chlorine combines with
metals and nonmetals and organic materials to form hundreds of
chlorine compounds. ....
Word count: 1163 - Page count: 5
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