26 oxygen (o2) is classified as a compound. a false b true

26 oxygen (o2) is classified as a compound. a false b true

26 oxygen (o2) is classified as a compound. a false b true

Answer

Brief Explanations:

A compound is made up of two or more different elements chemically combined. Oxygen (O₂) consists of only oxygen atoms, so it is an element, not a compound.

Answer:

A. False