Question: is 2cl the same as cl2?
Answer: Cl2 is a diatomic molecule, whereas 2Cl means 2 units of a negatively charged chlorine anion in a chemical equation. The 2 in front of 2Cl just means that there are 2 single chlorine ions. ... The 2 written in Cl2 means that there are two chlorine atoms covalently bonded to form a chlorine molecule.