Question

If CO2 is a molecule, how many TOTAL atoms is it made
up of?

Answer 1

Answer: No number means one atom. For CO2 there is one atom of carbon and two atoms of oxygen. For H2O, there is one atom of oxygen and two atoms of hydrogen. A molecule can be made of only one type of atom.

Answer 2

Carbon dioxide, CO2, is a chemical compound composed of two oxygen atoms and one carbon atom.

Step-by-step explanation: