Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
FeCl₂ is the chemical formula for ferrous chloride, an iron compound formed when iron reacts with hydrochloric acid. It consists of one iron atom bonded with two chloride ions.
Related terms
Ionic Compound: A compound composed of positively and negatively charged ions held together by electrostatic forces.
Chloride Ion: An anion (negatively charged ion) formed when a chlorine atom gains one electron.
Chemical Formula: A shorthand notation that represents the types and number of atoms in a compound or molecule.