Chlorine

From Conservapedia

Chlorine
Name	Chlorine
Symbol	Cl
Atomic number	17
Atomic mass	35.5 amu
Normal state	gas
Classification	Non-metal
Crystal structure	Orthorhombic
Color	green-yellow
Date of discovery	1774
Name of discoverer	Carl Wilhelm Scheele
Name origin	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 from	Salt.