what charge does CO2
The total charge of Carbon Dioxide is 0 since the oxidation numbers of Carbon and Oxygen are +4 and -2 respectively.You need 2 Oxygens to balance it out. The resulting equation makes it so that the charge of Carbon Dioxide is 0.aking the world better, one answer at a time. The total charge of Carbon Dioxide is 0 since the oxidation numbers of Carbon and Oxygen are +4 and -2 respectively. You need 2 Oxygens to balance it out.