Question

Select the correct answer. Which of the following describes a compound? (Hint: Carbon and oxygen both appear on the periodic table.) A. a piece of pure carbon, containing only carbon atoms B. oxygen gas surrounding a solid piece of carbon C. a substance made of two oxygen atoms for each carbon atom D. carbon and oxygen atoms mixed without being bonded together

Answer 1

I think maybe D because carbon makes oxygen *i think tho*

Answer 2

c. a substance made of two o2 atoms for each carbon atom

i think...