Answer:
A. CO₂
Step-by-step explanation:
A binary molecular compound is a compound that is form by 2 nonmetal elements. The nonmetal elements are: B , C,N,O,F, SI,P, S,Cl, As, Se, Br, Te, L, At and H. They are located on the right side of the periodic table with the exception of H that is on the top left because it shares properties with the elements that are on that side of the periodic table. As we can see C and O are two nonmetal elements.