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.
Many of the others have given very good answers, the chemical formula for Nitrogen in its gaseous state is N2. Also any formula which has the ending-nitrate or-nitrite contains both Nitrogen and Oxygen.Nitrate is written NO3- Nitrite is written NO2- The minuses denote a -1 charge to the ion.lso any formula which has the ending-nitrate or-nitrite contains both Nitrogen and Oxygen. Nitrate is written NO3- Nitrite is written NO2- The minuses denote a -1 charge to the ion.