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Monatomic Ions

8.2. Monatomic Ions. Ions of Transition Metals How are the charges of some transition metal ions determined?. Monatomic Ions. The charges of the cations of many transition metal ions must be determined from the number of electrons lost. Monatomic Ions.

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Monatomic Ions

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  1. 8.2 Monatomic Ions • Ions of Transition Metals • How are the charges of some transition metal ions determined?

  2. Monatomic Ions • The charges of the cations of many transition metal ions must be determined from the number of electrons lost.

  3. Monatomic Ions • These colorful solutions contain the transition metal ions Co3+, Cr3+, Fe3+, Ni2+, and Mn2+.

  4. Monatomic Ions • Two methods are used to name the ions of transition metals. • The Stock system • The classical method

  5. Monatomic Ions • In the Stock system, a Roman numeral in parentheses is placed after the name of the element to indicate the numerical value of the charge.

  6. Monatomic Ions • In an older less, useful method, the classical name of the element is used to form the root name for the element.

  7. 9.1 Monatomic Ions

  8. Conceptual Problem 9.1 1.1

  9. Conceptual Problem 9.1 1.1

  10. Conceptual Problem 9.1 1.1

  11. 9.1 Polyatomic Ions • Some ions, called polyatomic ions, are composed of more than one atom. • The names of most polyatomic anions end in -ite or -ate.

  12. 9.1 Polyatomic Ions • Names and Formulas of Some Common Polyatomic Ions

  13. 9.2 Compounds With Polyatomic Ions • Compounds with Polyatomic Ions • How do you write the formulas and names of compounds containing polyatomic ions?

  14. 9.2 Compounds With Polyatomic Ions • Write the symbol for the cation followed by the formula for the polyatomic ion and balance the charges.

  15. Conceptual Problem 9.3 9.3

  16. Conceptual Problem 9.3 9.3

  17. Conceptual Problem 9.3 9.3

  18. Practice Problems For Conceptual Problem 9.3 for Conceptual Problem 9.3 Problem-Solving 9.12 Solve Problem 12 with the help of an interactive guided tutorial.

  19. 9.1 Section Quiz. • 9.1.

  20. 9.1 Section Quiz. • 1. When metals from groups 1A, 2A, and 3A form cations, the charge on the ion is equal to • 8 minus the group number. • the group number minus 8. • the period number. • the group number.

  21. 9.1 Section Quiz • 2. Which of the following are positively charged polyatomic ions? • (I) ammonium ion • (II) perchlorate ion • (III) ferric ion • I only • II only • III only • I and III

  22. 9.1 Section Quiz • 3. If the name of an ion ends in -ite or -ate, the ion is a • polyatomic cation. • polyatomic anion. • transition metal cation. • monatomic anion.

  23. 9.2 Section Quiz • 1. The correct name for CrCl3 is • chromium chlorine. • chromium(III) chloride. • monochromium trichloride. • chromium(III) trichloride.

  24. 9.2 Section Quiz • 2. What is the correct formula for strontium nitride? • Sr3N2 • SrN2 • Sr2N3 • Sr3N

  25. 9.2 Section Quiz • 3. Which one of the following compounds is named correctly? • sodium chlorite, NaClO • potassium nitrate, KNO2 • sodium acetate, NaC2H3O2 • lithium sulfate, Li2SO3

  26. END OF SHOW

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