Question

Determinite the total number of Atoms present in the molecules given below Co2,

Answer 1

there are 1 atom of carbon and 2 atom of oxygen. In total there are 3 atoms in CO2...

Answer 2

Well,

There are total of 3atoms in $CO_2$, i.e. One atom of carbon and 2 atoms of Oxygen.

I hope you get it.