What chemical elements does this reaction contain?
c + o2--> co2
carbon and oxygen
carbon, oxygen, and carbon dioxide
calcium, oxygen, and calcium dioxide
calcium and oxygen

A

Explanation:

This chemical reaction contains the elements carbon and oxygen.

The chemical symbol for the element carbon is C. The symbol for oxygen is O. Carbon dioxide (CO2) is a compound, not an element.

they are made of gases.

they have a spherical shape.

they make energy through fusion.

increased stability in the completion of fluorine's outer shell.