Question

which of the following elements are in the compound: *
carbon dioxide
co₂
cobalt (co) and h (hydrogen)
sodium (na) and chlorine (cl)
carbon (c) and oxygen (o)

Explanation:

Carbon dioxide (\(CO_2\)) is a compound. In chemical formulas, the letters represent elements. Here, \(C\) stands for carbon and \(O\) stands for oxygen. The subscript \(2\) indicates there are two oxygen atoms. So, we check the options to see which pair matches these elements.

Answer:

Carbon (C) and Oxygen (O)