At standard temperature and pressure, oxygen exists as a colorless, odorless diatomic molecule with the formula O2, in which the two oxygen atoms are bonded to each other with the electron configuration of triplet oxygen. This bond has a bond order of two, and is thus often grossly simplified in description as a double bond
60 pm
70 pm
N
H
P
O
C
Oxygen
Dreiox
Triox
Ozone
2,000,000 years
2 days
2 minutes
2000 years