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How to Write the Formula for Carbonate 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 Carbonate ion use the hints and resources below to help write the formula.

Hint for Writing the Formula for Carbonate ion

CO32- is a polyatomic ion (it is an ion with more than one type of atom).

If you don't know the name from memory you'll need to look it up in a Common Ion Table.
Carbonate ion Resources