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Stock Nomenclature

Stock Nomenclature. Unit 7 Chapter 7. Naming Ionic Compounds. There are a few different ways to name chemicals. Stock Nomenclature is used when a metal or polyatomic cation Is bonded to a nonmetal or polyatomic anion. (Nomenclature means a method of naming something.).

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Stock Nomenclature

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  1. Stock Nomenclature Unit 7 Chapter 7

  2. Naming Ionic Compounds • There are a few different ways to name chemicals. • Stock Nomenclature is used when a metal or polyatomic cation • Is bonded to a nonmetal or polyatomic anion. • (Nomenclature means a method of naming something.)

  3. Rules for Stock Nomenclature • Always name the cation first. • If the charge of the cation is always the same, • Use the name directly from the periodic table or polyatomic ion chart: • Groups 1 & 2, • Aluminum, Zinc, Silver and • all Polyatomic ions.

  4. Undecided Metals • If the cation can have more than one charge, • Use the name of the element from the periodic table • With a roman numeral in parenthesis to specify the charge of the cation. • Example: • MnCl3 Mn+3 = Manganese(III) • MnCl6 Mn+6 = Manganese(VI)

  5. Roman Numeral Review • I • II • III • IV • V VI VII VIII IX X

  6. Stock Naming for Anions • Always name the anion last. • If the anion is a single element: • Drop the final syllable(s) and • Add the “-ide” suffix. • If the anion is a polyatomic ion • Use the name of the polyatomic ion.

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