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

Hint for Writing the Formula for Phosphide ion

  • Write the element symbol.
  • Determine the ionic charge for the element.
  • Write the charge as a subscript.

Phosphide ion Resources