* Organic Chemistry: In organic chemistry, a carbon atom (C) can have 1, 2, 3, or 4 hydrogen atoms (H) attached to it. This depends on the structure of the molecule.

* Example: Methane (CH4) has 4 H atoms on the C.

* A Specific Molecule: If you are referring to a specific molecule, please provide its name or structure.

Please clarify your question so I can give you a more accurate answer.