The compound with the formula Fe2(CO3)3 is named Iron(III) carbonate.
Explanation: In this formula, Fe represents iron, and CO3 is the carbonate ion. The subscript ‘2’ in front of Fe indicates that there are two iron atoms, while the subscript ‘3’ in front of (CO3) indicates that three carbonate ions are present. Since iron is in the +3 oxidation state in this compound, it is specified as Iron(III). Hence, the full name is Iron(III) carbonate.