In the ionic compound $Fe{C}_{l}3$ (iron(III) chloride), which ions and how many of each are present in one formula unit?

• A. 1 $F{e}^3$ ion and 3 $C^l$ ions
• B. 1 $F^e$ ion and 3 $C^l$ ions
• C. 1 $F^e$ ion and 3 $C^l$ ions
• D. 3 $F^e$ ions and 1 $C^l$ ion

Answer: (A)