The symbol for iron chloride depends on the oxidation state of the iron:

* Ferrous chloride (FeCl₂): This is the compound with iron in the +2 oxidation state.

* Ferric chloride (FeCl₃): This is the compound with iron in the +3 oxidation state.

So, there's no single symbol for "iron chloride" - you need to specify the oxidation state of the iron.