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How to Write the Formula for Iron (II) ion

Learning to name chemical compounds requires that you:

  • Determine the type of compound you are working with.
  • Apply the rules for naming that type of compound.
  • Practice until it becomes second nature.
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Get more practice writing formulas for compounds.

For Iron (II) ion use the hints and resources below to help write the formula.

Hint for Writing the Formula for Iron (II) ion

When we have a transition metal the Roman Numeral in parentheses shows the charge. Note that metals have positive charges.
  • First, write the element symbol.
  • Then write the charge (+, +2, +3 ...) as a superscript.

Iron (II) ion Resources