Found/from:
Chlorine was invented by Carl Wilhelm Scheele a chemist from Sweden. When he combined 2 different other minerals he thought that the gas he invented contained oxygen. But in 1810 it was proven that it was a distinct element known as chlorine today.

Used in:
🔳Swimming pools
🔳paper
🔳bleach
🔳table salt
🔳plastic

Description:
🔳Greenish color to it
🔳Cl Symbol
🔳It's not clear like other gasses
🔳 gas

Chlorine