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Difference between fe2o3 and fe3o4
I think the difference between fe2o3 and fe3o4 is that:

1, name: fe2o3 is Fe2O3, fe3o4 is Fe3O4.

2. Color: fe2o3 is reddish brown and fe3o4 is black.

3. Features: fe2o3 has magnetic attraction, while fe3o4 has no magnetic attraction.

4. Valence: The valence of fe2o3 is +3, while fe3o4 has no valence.

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