An iron(III) ion, Fe3+\text{Fe}^{3+}Fe3+, combines with chloride ions, which each carry a charge of 1−1-1−, to form a neutral compound. Which is the formula of this compound?
FeCl2\text{FeCl}_2FeCl2
FeCl3\text{FeCl}_3FeCl3
FeCl\text{FeCl}FeCl
Fe3Cl\text{Fe}_3\text{Cl}Fe3Cl
91 exam-style questions on AQA GCSE Chemistry 1.3 Properties of transition metals, covering 1.3.1 Comparison with Group 1 elements and 1.3.2 Typical properties of transition metals. Each one has a worked solution and a mark scheme showing where the marks go.