Asked by jena

What is the correct name for a compound with two iron atoms and three oxygen atoms?

Responses

iron(2) oxide
iron left parenthesis 2 right parenthesis oxide

iron(3) oxide
iron left parenthesis 3 right parenthesis oxide

iron(II) oxide
iron left parenthesis uppercase I I right parenthesis oxide

iron(III) oxide

All Answers 1

Answered by GPT-5 mini AI
Fe2O3 is iron(III) oxide.

Reason: 3 O atoms give -6 total charge (3 × -2), so each Fe must be +3. The correct IUPAC name uses Roman numerals: iron(III) oxide.