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{ | {{Chemical box | ||
|image=Chlorine periodic table.png|250px | |||
| | |symbol=Cl | ||
|number=17 | |||
|atomic weight=35.453g | |||
|series=[[Halogens]] | |||
|appearance=greenish yellow,or yellowish green <br> [[image:Sample of Chlorine.jpg|150px]] | |||
|gpb=17,3,p | |||
| | |electrons=[Ne]3s<sup>2</sup>3p<sup>5</sup> | ||
| | |shell=2,8,7 <br> [[image:Electron shell Chlorine.png|150px]] | ||
|cas=[7782-50-5] | |||
|phase= | |||
|density= | |||
| | |melting= | ||
|boiling= | |||
| | |isotopes= | ||
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| | }} | ||
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'''Chlorine''' is one of the elements that has the atomic number 17, and the symbol Cl. There is plenty of chlorine in nature. When chlorine is in the form of gas, its color becomes greenish yellow, and the weight increases as heavy as half of air. Chlorine gas has suffocating odor and very poisonous to every living thing. It is perhaps best know for its powerful disinfecting activity.[http://en.wikipedia.org/wiki/Main_Page] | '''Chlorine''' is one of the elements that has the atomic number 17, and the symbol Cl. There is plenty of chlorine in nature. When chlorine is in the form of gas, its color becomes greenish yellow, and the weight increases as heavy as half of air. Chlorine gas has suffocating odor and very poisonous to every living thing. It is perhaps best know for its powerful disinfecting activity.[http://en.wikipedia.org/wiki/Main_Page] |
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