best answer > Why are Roman numerals used in chemical formulas 2024?- QuesHub | Better Than Quora
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  • Savannah White——Studied at University of California, Berkeley, Lives in Berkeley, CA

    A Roman numeral is to indicate the charge of the iron. So, iron ( II ) oxide would have a chemical formula of FeO . (The oxide ion has a 2? charge to balance the 2+ of the iron to form a neutral compound.)read more >>
    +119962023-04-30 03:11:03

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