O2

Definition

O2 represents molecular oxygen, which is a diatomic molecule consisting of two oxygen atoms bonded together. It is necessary for respiration and combustion processes.

Related terms

N2O5:

N2O5 is a chemical compound known as dinitrogen pentoxide. It is an unstable and highly reactive molecule that is used in various chemical reactions.

NO3:

NO3 represents the nitrate ion, which consists of one nitrogen atom bonded to three oxygen atoms. It is often involved in redox reactions due to its ability to donate or accept electrons.

CO2: CO2 represents carbon dioxide gas, which is formed during the process of cellular respiration and is involved in atmospheric processes.