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How to Write the Formula for Copper (II) hydroxide

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 Copper (II) hydroxide use the hints and resources below to help write the formula.

Hint for Writing the Formula for Copper (II) hydroxide

For Copper (II) hydroxide we have a transition metal and a polyatomic ion.
  • Write the element symbol for Copper.
  • Use the Common Ion Table to find the formula and charge for the hydroxide ion.
  • The (II) tells us that Cu has a charge of +2. We'll need to balance that with -2. Since the hydroxide ion has a -1 charge we'll need two of them (and need to use parentheses around them!).

Copper (II) hydroxide Resources