Chlorine

"Chlorine"

Properties
Atomic symbol |  Cl
Atomic number |  17
Classification |  Non-metal
Atomic mass |  35.5 amu
Other Information
Date of discovery |  1774
Name of discoverer |  "Carl" Wilhelm Scheele
Name origin |  "From" the Greek khlôros, refers to the color.
Uses |  Chlorine is a common component of plastics and is a water purifier commonly used in swimming pools. It is also a bleach.
Obtained from |  Electrolyzed brine

Chlorine is in Group 7 of the periodic table, making it a halogen along with such elements as fluorine, bromine and iodine. It has an atomic number of 17. Like other halogens, it is reactive to most metals and is never found free in nature. The chlorine molecule (Cl2) contains two chlorine atoms bonded together.

## Compounds[edit]

Compounds of chlorine are called chlorides. Common chlorides include:

* Ammonium chloride, NH4Cl
* Calcium chloride, CaCl2
* Lithium chloride, LiCl
* Potassium chloride, KCl
* Sodium chloride, NaCl

## Uses[edit]

The primary use of chlorine is in the production of various plastics and artificial fibers, such as polyvinyl chloride. Chlorine is also used as a disinfectant for public water supplies and is an important component of several pharmaceuticals. Chlorine can also bond with an oxygen atom to form sodium hypochlorite (NaClO) which acts as a bleach.[1]

## References[edit]

1. ↑ http://www.eurochlor.org/products

Periodic Table of the Elements

1  | 2  | 3  | 4  | 5  | 6  | 7  | 8  | 9  | 10  | 11  | 12  | 13  | 14  | 15  | 16  | 17  | 18

1.008

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

4.003

6.939

9.0122

|  |  |  |  |  |  |  |  |  |  |

10.811

12.011

14.007

15.999

18.998

10.183

22.99

24.312

|  |  |  |  |  |  |  |  |  |  |

26.982

28.086

30.974

32.064

35.453

39.948

39.102

40.08

44.956

47.9

50.942

51.996

54.938

55.847

58.933

58.71

63.546

65.37

69.72

72.59

74.922

78.96

79.904

83.8

85.47

87.62

88.905

91.22

92.906

95.94

[97]

101.07

102.91

106.4

107.87

112.4

114.82

118.69

121.75

127.6

126.9

131.3

132.91

137.34

57*

138.91

178.49

180.95

183.85

186.2

190.2

192.2

195.09

196.97

200.59

204.37

207.19

208.98

210

210

222

215

226.03

89**

227.03

104

[261]

105

[262]

106

[266]

107

[264]

108

[265]

109

[268]

110

[271]

111

[272]

112

[277]

113

[284]

114

[289]

115

[288]

116

[292]

117

[293]

118

[294]

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
*Lanthanides  |

140.12

140.91

144.24

145

150.35

151.96

157.25

158.92

162.5

164.93

167.26

168.93

173.04

174.97

|  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
**Actinides  |

232.04

231

238.03

237.05

239.05

241.06

244.06

249.08

252.08

252.08

100

257.1

101

258.1

102

259.1

103

262.11

|  |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |