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How to Write the Formula for Nickel (I) iodide

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 Nickel (I) iodide use the hints and resources below to help write the formula.

Hint for Writing the Formula for Nickel (I) iodide

Nickel is a transition metal and Iodine is a non-metal. This is an ionic compound.
  • Write the element symbols for Nickel and Iodine.
  • The (I) tells us that Nickel has a +1 charge.
  • Use the Periodic Table to find the charge for Iodine.
  • Modify the subscript on Iodine to balance the +1 charge on Nickel.

Nickel (I) iodide Resources