Changes

{{Element | name="Chlorine" | symbol=Cl | anumber=17 | amass=35.5 amu | state=gas | class=Non-metal | cstructure=Orthorhombic | color=green-yellow | date=1774 | discname="[[Carl" Wilhelm Scheele]] | origname="From" the Greek ''khlôros'', refers to the color. | uses=Chlorine is a water purifier, commonly used in swimming pools.  It is also a bleach. | obtained=Salt }}

{{Element | name="Chlorine" | symbol=Cl | anumber=17 | amass=35.5 amu | state=gas | class=Non-metal | cstructure=Orthorhombic | color=green-yellow | date=1774 | discname="[[Carl" Wilhelm Scheele]] | origname="From" the Greek ''khlôros'', refers to the color. | uses=Chlorine is a water purifier, commonly used in swimming pools.  It is also a bleach. | obtained=Salt }}

'''Chlorine''' is in Group 7 of the periodic table, making it a [[halogen]] along with such elements as [[bromine]] or [[iodine]]. It has an atomic number of 17.

'''Chlorine''' is in Group 7 of the periodic table, making it a [[halogen]] along with such elements as [[fluorine]], [[bromine]] or [[iodine]]. It has an atomic number of 17.

Chlorine is most commonly used to clean swimming pools; however, some people may have allergic reactions to the chlorine and hence may not be able to use the pool. Chlorine can also be used to make table salt; hydrochloric acid is reacted with sodium hydroxide to form NaCl.

Chlorine is most commonly used to clean swimming pools; however, some people may have allergic reactions to the chlorine and hence may not be able to use the pool. Chlorine can also be used to make table salt; hydrochloric acid is reacted with sodium hydroxide to form NaCl.