Ozone

Ozone, also known as trioxis, is an allotrope of oxygen where three oxygen atoms are bound in a triatomic molecule (O3). It can be formed by treating oxygen gas (O2) with ultraviolet light.

Ozone is an irritant and mildly toxic to humans.

Related substances

 * Oxygen gas
 * Nzone
 * Fzone
 * Clozone
 * Hzone