Tom Skerritt. Biography: Tom Skerritt is probably the best-known actor whose name is never remembered. A rugged outdoors type, Skerritt briefly attended Wayne State University and UCLA before making his film bow in [[Feature~V115961~War Hunt~warhunt]] (1962). His...
The chemical formula for oxygen is O2 and for individual oxygen  atom its symbol is O.   Gases such as oxygen exist as diatomic molecules.
Ozone is a toxic, strong reactive compound consisting of three oxygen atoms. The word is derived from the Greek word ozein, what means 'to smell'. Not without a reason because the gas has a terrible odour. The chemical formula is O3.Ozone is formed when oxygen molecules are separated by a certain form of solar ultraviolet radiation at high altitudes. The individual oxygen atoms combine with oxygen molecules (O + O2 = O3).ot without a reason because the gas has a terrible odour. The chemical formula is O3. Ozone is formed when oxygen molecules are separated by a certain form of solar ultraviolet radiation at high altitudes. The individual oxygen atoms combine with oxygen molecules (O + O2 = O3).