8
Carbon dioxide (chemical formula CO2) is a naturally-occurring chemical compound composed of 2 oxygen atoms each covalently double bonded to a single carbon atom.
Added 7/18/2014 5:41:15 PM
This answer has been confirmed as correct and helpful.
Confirmed by
yumdrea [7/18/2014 6:16:37 PM]
8
A proton is a positively charged elementary particle that is a fundamental constituent of all atomic nuclei.
Added 7/18/2014 5:42:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by
yumdrea [7/18/2014 6:16:37 PM]
