Question

Which option is an element?

A. Carbon dioxide

B. Carbon

C. Air

D. Water

Answer 1

The correct answer is carbon and the only element listed. Carbon Dioxide is made up of Carbon and Oxygen x2. This would be a compound. Air is made of water and another mixture of Hydrogen x2 and Oxygen.

Hope this helped! :))

Answer 2

carbon is an element so answer choice B.