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How to Write the Formula for Potassium 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 Potassium oxide use the hints and resources below to help write the formula.

Hint for Writing the Formula for Potassium oxide

Metal (K) + Non-metal (O) = Binary Ionic
  • Write the element symbols for Potassium and Oxygen.
  • Use the Periodic Table to find the ionic charges for Potassium and Oxygen.
  • Balance the charges to make sure the net (overall) charge on the compound is zero.

Potassium oxide Resources