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Does iron always have a charge of 2+ when it forms an ion
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Does iron always have a charge of 2+ when it forms an ion

User ZeroKelvin
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Answer:

Roman numeral notation indicates charge of ion when element commonly forms more than one ion. For example, iron(II) has a 2+ charge; iron(III) a 3+ charge.

Step-by-step explanation:

User Fgblanch
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