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

Fe3O4 for ferrous ferric oxide, (iron (II,III) oxide)

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Dustin Marks

Lvl 10
2y ago
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14y ago

Fe2O3 Fe2O3

The roman numerals in Iron III Oxide represent the positive charge of the iron. The oxide has a negative two charge, so, in order to balance it all out, you need two iron and three oxide.

Fe+3 O-2

2Fe = +6 charge

3O = -6 charge

This balances it out.


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7y ago

The formula for iron oxide depends on if it is Iron (II) oxide, which would be FeO, or Iron (III) oxide, which would be Fe2O3.

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14y ago

The answer is FeO, not to be confused with Iron III oxide (Fe2O3).

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14y ago

FeO (iron II or ferrous oxide) , Fe2O3 (iron III or ferric oxide)

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9y ago

The formula for iron IV oxide is PbO2. Also known as lead dioxide, PbO2 is an insoluble powder and brown in color.

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8y ago

FeO

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Q: What is the ionic formula for iron oxide?
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