O3 Energy Abbreviation

Ozone

A molecule made up of three atoms of oxygen. Occurs naturally in the stratosphere and provides a protective layer shielding the Earth from harmful ultraviolet radiation. In the troposphere, it is a chemical oxidant, a greenhouse gas, and a major component of photochemical smog. Form of oxygen produced by discharge of electricity into the air. An almost colorless, gaseous form of oxygen with an odor similar to weak chlorine.