A methyl group is not a molecule on its own. It's a functional group, meaning a specific group of atoms within a larger molecule.

The chemical formula for a methyl group is CH₃.

Here's a breakdown:

* C: Represents a carbon atom.

* H₃: Represents three hydrogen atoms bonded to the carbon atom.

You won't find a methyl group existing independently; it's always attached to another molecule or atom. For example, in methane (CH₄), the entire molecule is essentially a methyl group bonded to a hydrogen atom.