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Why are Roman numerals used in chemical formulas 2024?
罗马数字
电荷 化合物
Questioner:Oliver Moore 2023-04-25 03:11:03
The most authoritative answer in 2024
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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.)
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