* Carbon (C)

* Hydrogen (H)

* Oxygen (O)

The chemical formula for ethanol is C₂H₅OH. This means each molecule of ethanol contains:

* 2 carbon atoms

* 6 hydrogen atoms

* 1 oxygen atom

It's important to distinguish between elements and substances:

* Elements are the simplest pure substances that cannot be broken down into simpler substances by ordinary chemical means.

* Substances are made up of one or more elements chemically combined in a fixed ratio.

Therefore, ethanol is a substance that is made up of the elements carbon, hydrogen, and oxygen.