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It stands for the charge on the iron ion. In Iron III oxide iron has a 3+ charge.

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13y ago
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6mo ago

The III in iron III oxide refers to the oxidation state of iron in the compound, which is +3. This indicates that each iron atom in the compound has lost three electrons.

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Q: What does the III stand for in iron III oxide?
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Related questions

What is the formula for iron (III) oxide?

FeO for ferrous oxide, ( iron(II) oxide); Fe2O3 for ferric oxide, (iron(III) oxide) and Fe3O4 for ferrous ferric oxide, (iron (II,III) oxide)


What is chemical name for fe2o2?

The name of the compound Fe3O4 is called iron (II,III) oxide. (Wikipedia)


Name for chemical compound Fe2O3?

Iron(III)Oxide


Is iron (III) oxide easily obtained?

The preparation of iron(III) oxide is simple.


What is the iron II oxide formula?

FeO for ferrous oxide, ( iron(II) oxide); Fe2O3 for ferric oxide, (iron(III) oxide) and Fe3O4 for ferrous ferric oxide, (iron (II,III) oxide)


What is the chemical formula for iron (III) oxide?

There are a number of compounds of iron wuth oxygen, iron(I) oxide, ferrous oxide, FeO iron (II,III) oxide ferric ferrous oxide, Fe3O4 iron(III) oxide, ferric oxide, Fe2O3.


What is iron oxide an element mixture solution or compound?

Iron oxide is a compound. It is composed of iron (Fe) and oxygen (O) atoms chemically bonded together in a fixed ratio. The most common forms of iron oxide are FeO (iron(II) oxide) and Fe2O3 (iron(III) oxide).


What is the chemical name of iron III oxide?

The chemical representation of Iron III Oxide is Fe2O3.


What is the Chemical Formula for Oxygen Iron?

There are a number of compounds of iron wuth oxygen, iron(I) oxide, ferrous oxide, FeO iron (II,III) oxide ferric ferrous oxide, Fe3O4 iron(III) oxide, ferric oxide, Fe2O3.


Where does Mars get its red colour?

It gets it from iron(III) oxide dust. Iron(III) oxide is rust.


Chemical Name for FeO?

No such compound exists. If it did it would be iron VI oxide, but iron cannot reach such a high oxidation state. Perhaps you mean Fe2O3, iron III oxide.


What iron oxide?

Iron(II) oxide is FeOIron(III) oxide is Fe2O3