Question

Iron with a valency of 2 is written as​

Answer 1

For atoms that can form multiple ions, the oxidation state is added to the name of the cation using Roman numerals. Therefore, you can say that iron is in the +2 oxidation state in the iron(II) cation, Fe2+ .

Answer 2

Answer:

For atoms that can form multiple ions, the oxidation state is added to the name of the cation using Roman numerals. Therefore, you can say that iron is in the +2 oxidation state in the iron(II) cation, Fe2+ .

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