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Chapter 6 Notes, part II

Chapter 6 Notes, part II. Naming Ionic Compounds. Naming Ionic C ompounds. For naming an ionic compound, 1) Name the metal. EX: BaBr 2. Barium. Naming Ionic C ompounds. For naming an ionic compound, 2) Write the name of the non-metal, and change the end to –ide. EX: BaBr 2.

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Chapter 6 Notes, part II

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  1. Chapter 6 Notes, part II Naming Ionic Compounds

  2. Naming Ionic Compounds For naming an ionic compound, 1) Name the metal. EX: BaBr2 Barium

  3. Naming Ionic Compounds For naming an ionic compound, 2) Write the name of the non-metal, and change the end to –ide. EX: BaBr2 Barium brom ine ide

  4. Naming Ionic Compounds If there is a polyatomic anion, then you do not change the ending: EX: Ca(NO3)2 Calcium nitrate

  5. Name these: Na2O MgCl2 Na2CO3

  6. Name these: Na2O sodium oxide MgCl2 Magnesium chloride Na2CO3 sodium carbonate

  7. Naming Ionic Compounds • If a positive ion (a metal) can have more than one oxidation number, you have to designate its charge in the name! We do this by putting the charge as a roman numeral in parenthesis between the positive and negative ion.

  8. Naming Ionic Compounds Why do we need to do that? Name: Fe2O3 FeO These both exist in nature, so we have to show which one we mean.

  9. Naming Ionic Compounds +3 Reverse criss cross to find the charge of the iron: If this is true, then what was iron to begin with? Fe2O3 Name it: -2 Iron ( ) ox ygen ide III

  10. Naming Ionic Compounds +2 -2 Reverse criss cross to find the charge of the iron: If this is not true, the numbers must have been reduced. FeO Name it: -1 Iron ( ) ox ygen ide II

  11. Naming Ionic Compounds Metals that don’t need parentheses: Group I, II and IIIA Zn, Cd (always +2) Ag (always +1) Which means transition, inner transition and other metals do need a paranthesis!

  12. Tin and Lead • Tin and Lead do need a roman numeral because they have more than one oxidation number. • Sn(II) and Sn(IV) • Pb(II) and Pb(IV)

  13. Naming Ionic Compounds Final flowchart of how to name: Name the positive ion. Does it need a roman numeral? If so, reverse criss cross, if not, ignore. Name the negative ion and: If a nonmetal end in -ide; if it is a polyatomic ion, name the polyatomic.

  14. Name these: Na2S CuCl2 K2SO4 Pb(NO3)4

  15. Name these: Na2S sodium sulfide CuCl2 copper(II)chloride K2SO4 potassium sulfate Pb(NO3)4 lead(IV)nitrate

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