1. Section 4.1 Naming Binary Compounds Steven S. Zumdahl Susan A. Zumdahl Donald J. DeCoste Gretchen M. Adams University of Illinois at Urbana-Champaign Chapter 4 Nomenclature

2. Section 4.1 Naming Binary Compounds 1.To learn to name binary compounds of a metal and a nonmetal 2.To learn to name binary compounds containing only nonmetals 3.To summarize the naming of all types of binary compounds Objectives

3. Section 4.1 Naming Binary Compounds A. Naming Compounds That Contain a Metal and a Nonmetal Binary ionic compounds contain positive cations and negative anions.  Type I compounds Metal present forms only one cation  Type II compounds Metal present can form 2 or more cations with different charges

4. Section 4.1 Naming Binary Compounds A. Naming Compounds That Contain a Metal and a Nonmetal

5. Section 4.1 Naming Binary Compounds A. Naming Compounds That Contain a Metal and a Nonmetal Type I Binary Ionic compounds

6. Section 4.1 Naming Binary Compounds A. Naming Compounds That Contain a Metal and a Nonmetal For compounds containing both a metal and a nonmetal, the metal is always named first. The nonmetal is named from the root element name.

7. Section 4.1 Naming Binary Compounds Exercise Name the following compounds. KCl MgBr 2 BaO potassium chloride magnesium bromide barium oxide 7

8. Section 4.1 Naming Binary Compounds A. Naming Compounds That Contain a Metal and a Nonmetal Type II Binary Ionic compounds Since the metal ion can have more than one charge, a Roman numeral is used to specify the charge.

9. Section 4.1 Naming Binary Compounds A. Naming Compounds That Contain a Metal and a Nonmetal Type II Binary Ionic compounds

10. Section 4.1 Naming Binary Compounds Exercise Name the following compounds. CuBr FeS PbO 2 copper(I) bromide iron(II) sulfide lead(IV) oxide 10

11. Section 4.1 Naming Binary Compounds B. Naming Binary Compounds That Contain Only Nonmetals Type III Compounds

12. Section 4.1 Naming Binary Compounds B. Naming Binary Compounds That Contain Only Nonmetals Type III Compounds

13. Section 4.1 Naming Binary Compounds Exercise Name the following compounds. CO 2 SF 6 N2O4N2O4 carbon dioxide sulfur hexafluoride dinitrogen tetroxide 13

14. Section 4.1 Naming Binary Compounds C. Naming Binary Compounds: A Review

15. Section 4.1 Naming Binary Compounds 15 Exercise Which of the following compounds is named incorrectly? a) K 3 Npotassium nitride b) TiO 2 titanium(II) oxide c) SnBr 4 tin(IV) bromide d) PBr 5 phosphorus pentabromide e) CaScalcium sulfide

16. Section 4.2 Naming and Writing Formulas for More Complex Compounds 1.To learn the names of common polyatomic ions 2.To learn to name compounds containing polyatomic ions 3.To learn how the anion composition determines an acid’s name 4.To learn the names for common acids 5.To learn to write the formula for a compound, given its name Objectives

17. Section 4.2 Naming and Writing Formulas for More Complex Compounds A. Naming Compounds That Contain Polyatomic Ions Polyatomic ions are charged entities composed of several atoms bound together. They have special names and must be memorized.

18. Section 4.2 Naming and Writing Formulas for More Complex Compounds A. Naming Compounds That Contain Polyatomic Ions Naming ionic compounds containing polyatomic ions follows rules similar to those for binary compounds.  Example: ammonium acetate

19. Section 4.2 Naming and Writing Formulas for More Complex Compounds Exercise Name the following compounds. K 2 CO 3 Mg(OH) 2 (NH 4 ) 3 PO 4 potassium carbonate magnesium hydroxide ammonium phosphate 19

20. Section 4.2 Naming and Writing Formulas for More Complex Compounds B. Naming Acids An acid is a molecule with one or more H + ions attached to an anion.

21. Section 4.2 Naming and Writing Formulas for More Complex Compounds B. Naming Acids

22. Section 4.2 Naming and Writing Formulas for More Complex Compounds B. Naming Acids

23. Section 4.2 Naming and Writing Formulas for More Complex Compounds B. Naming Acids

24. Section 4.2 Naming and Writing Formulas for More Complex Compounds B. Naming Acids

25. Section 4.2 Naming and Writing Formulas for More Complex Compounds Exercise Name the following acids. HNO 3 HBr H 3 PO 4 nitric acid hydrobromic acid phosphoric acid 25

26. Section 4.2 Naming and Writing Formulas for More Complex Compounds C. Writing Formulas from Names Sodium hydroxide  NaOH Potassium carbonate  K 2 CO 3 Sulfuric acid  H 2 SO 4 Dinitrogen pentoxide N2O5N2O5 Cobalt(III) nitrate  Co(NO 3 ) 3

27. Section 4.2 Naming and Writing Formulas for More Complex Compounds Exercise What is the formula for each of the following compounds? barium chloride copper(I) nitrate iron(III) sulfate phosphorus pentabromide BaCl 2 CuNO 3 Fe 2 (SO 4 ) 3 PBr 5 27