Made from the Greek word 'chloros', meaning greenish yellow
Boiling point: -29.27 degrees Fahrenheit
Abundance in the earths crust: .017%
State of element: gas
Chlorine is found combined with other elements mainly sodium in the form of common salt.
Atomic number- 17
Atomic mass- 35
Group number- 17
Period number- 3
- make drinking water safe to consume
- treat swimming pools
2) it is the second most abundant halogen, and the second most lightest halogen on Earth.
3) when isolated as a free element, it takes form of a greenish- yellow gas.
Discovered by: Carl Wilhelm Scheele
Discovered in: 1774