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Comprehensive Guide to Naming and Writing Formulas for Binary and Complex Compounds

This chapter covers essential nomenclature for both binary and complex chemical compounds, specifically focusing on naming binary compounds that contain metals and nonmetals, as well as those composed solely of nonmetals. Detailed descriptions of Type I and Type II binary ionic compounds are provided, along with rules for naming polyatomic ions and acids. The chapter aims to equip learners with the necessary skills to effectively name different types of compounds and to write their corresponding formulas from given names.

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Comprehensive Guide to Naming and Writing Formulas for Binary and Complex Compounds

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  1. Chapter Four Nomenclature 4.1 Naming Binary Compounds 4.2 Naming and Writing Formulas for More Complex Compounds

  2. 4.1 Objectives • To learn to name binary compounds of a metal and nonmetal • To learn to name binary compounds containing only nonmetals • To summarize the naming of all types of binary compounds

  3. 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. A. Naming Compounds That Contain a Metal and a Nonmetal

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

  6. 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. 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.

  8. A. Naming Compounds That Contain a Metal and a Nonmetal Type II Binary Ionic compounds

  9. B. Naming Binary Compounds That Contain Only Nonmetals Type III Compounds

  10. B. Naming Binary Compounds That Contain Only Nonmetals Type III Compounds

  11. C. Naming Binary Compounds: A Review

  12. 4.2 Objectives • To learn the names of common polyatomic ions • To learn to name compounds containing polyatomic ions • To learn how the anion composition determines an acid’s name • To learn names for common acids • To learn to write the formula for a compound, given its name

  13. 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.

  14. A. Naming Compounds That Contain Polyatomic Ions • Naming ionic compounds containing polyatomic ions follows rules similar to those for binary compounds. • ammonium acetate

  15. B. Naming Acids • An acid is a molecule with one or more H+ ions attached to an anion.

  16. B. Naming Acids

  17. B. Naming Acids

  18. B. Naming Acids

  19. B. Naming Acids

  20. C. Writing Formulas from Names • Sodium hydroxide • NaOH • Potassium carbonate • K2CO3 • Sulfuric acid • H2SO4 • Dinitrogen pentoxide • N2O5 • Cobalt(III) nitrate • Co(NO3)3

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