Question

A molecule of one atom of carbon and two atoms of oxygen would be written

Answer 1

hey, how are you doing?

The answer to your question would be: $CO_{2}$ i believe. 
Hope this helps, and if you need further help, contact me!

Thank you,
Darian D. 

Answer 2

Answer: CO 2 THE 2 IS BELOW THE C&O

Explanation: