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How to Write the Formula for Aluminum oxide

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 Aluminum oxide use the hints and resources below to help write the formula.

Hint for Writing the Formula for Aluminum oxide

Since we have a metal (Al) and a non-metal (O) this is an ionic compound.

We must make sure the charges balance when we write the formal for ionic compounds.

Aluminum is in Group 3A (also called 13). It forms ions with a +3 charge.

Oxygen is in group 6A (16). It forms ions with a -2 charge.
Aluminum oxide Resources


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