Set window back color, show msg, and OK button. Creation of an ozone molecule.
Ozone is made up of oxygen atoms.
A molecule of ozone has 3 oxygen atoms. Its chemical composition is written O 3 . About 90 percent of the planet's ozone is found in the ozone layer of the stratosphere. The highest concentrations of ozone are at about 25 km altitude. Ozone has a pale blue color, and a smell than can be noticed during electrical storms, or around electrical equipment.