do I need to do this?
Discovered in 1774 by Carl Wilhelm Scheele, who mistakenly thought it contained
oxygen. Chlorine was given its name in 1810 by Humphry Davy, who insisted that it was in fact an element.
The pure chemical element has the physical form of a diatomic green gas. The name chlorine is derived from chloros, meaning green, referring to the color of the gas. Chlorine gas is two and one half times as heavy as air, has an intensely disagreeable suffocating odor, and is exceedingly poisonous. In its liquid and solid form it is a powerful oxidizing, bleaching, and disinfecting agent.
Read more:
http://www.lenntech.com/periodic/elements/cl.htm#ixzz32CkOr8tx
exceedingly POISONOUS.
I swear this is EXACTLY why this site is aggravating to me. Why argue factual things?