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What is the significance of the Roman Numeral when naming binary ionic compounds?
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What is the significance of the Roman Numeral when naming binary ionic compounds?

User Zakhefron
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Answer:

Roman numbers are oxidation state of the metals

Because some elements of metals show more than one oxidation state like iron Fe2+ in ferrous and Fe3+ in ferric.

Step-by-step explanation:

User Savvybug
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