Is O2 Ionic Or Covalent
The balance of oxygen is maintained because it is exhaled by plants and inhaled by human beings and animals. Moreover, oxygen is also an important part of various atmospheric cycles on the earth. In addition to this, we also know O2 is the main component of the ozone layer which is present in the stratosphere and protects the earth from harmful radiations of the sun. hν + O2 —> 2O O2 + O....