8-O
 basic
8-oxygen
Naturally occuring isotopes:
O-16   ( 99.762% ) O-17   ( 0.038% ) O-18   ( 0.200% )
Isotopes:
O-12   O-13   O-14   O-15   O-19   O-20   O-21   O-22   O-23   O-24   O-25   O-26  
For information on elements, we recommend .