Final answer:
In this molecule, all the hydrogen atoms are replaced by chlorine atoms.
Step-by-step explanation:
In this molecule, all the hydrogen atoms are replaced by chlorine atoms. This means that each hydrogen atom is replaced by a chlorine atom, resulting in a molecule with only chlorine atoms. The chemical equation for this transformation would be: CH4 +4 Cl2 ⇒ CCl2 +4 HCl