3. Wednesday, Feb. 5 th : “A” Day Thursday, Feb. 6 th : “B” Day Agenda  Homework questions/collect  Sec. 5.3 review/quiz  Ch. 5 short answer test questions  Work Day: Ch. 5 Review  Homework: Polyatomic Ions worksheet Chapter 5 concept review Next time: Ch. 5 Test/Concept Review Due!

4. Homework Questions/Problems?  Sec. 5.3 review, pg. 180: #1-8  “What is a Polyatomic Ion?” worksheet

5. Quick Review Section 5.3 1.What does the term “electrically neutral” mean? A compound has the same number of positive and negative charges. =

6. Quick Review Section 5.3 2. What is the symbol and name of an ion of chlorine with a single negative charge? Cl – Chloride ion

7. 3. What are the charges on Cu(I) and Cu(II) ions, respectively? Cu(I): 1 + charge Cu(II): 2 + charge

8. Quick Review Section 5.3 4. What is the metallic ion (cation) in the compound copper(II) fluoride? Cu 2+

9. Quick Review Section 5.3 5. What is the name of a compound formed by zinc ions, Zn 2+, and chloride ions, Cl - ? zinc chloride

10. 6. What is the chemical formula of the compound formed by zinc ions, Zn 2+, and chloride ions, Cl - ? ZnCl 2

11. Quick Review Section 5.3 7. What is the chemical formula of the compound formed by tin(IV) ions and fluoride ions? SnF 4

12. Quick Review Section 5.3 8. The peroxide ion, O 2 2-, is what type of ion? Polyatomic (more than 1 atom bonded together)

13. 9.The compound sodium hydrogen carbonate, NaHCO 3 a.Contains 4 different ions b.Contains a polyatomic cation c.Is not a salt d.Contains only a monatomic cation and a polyatomic anion

14. Quick Review Section 5.3 9.The compound sodium hydrogen carbonate, NaHCO 3 a.Contains 4 different ions b.Contains a polyatomic cation c.Is not a salt d.Contains only a monatomic cation and a polyatomic anion

15. Quick Review Section 5.3 10.What is the formula for the compound formed by iron, Fe 3+, and the sulfate ion, SO 4 2- ? Fe 2 (SO 4 ) 3

16. Quiz Section 5.3: “Names & Formulas of Ionic Compounds”  You may use your book and your notes to complete the quiz on your own…

17. Ch. 5 Short Answer Test Questions 1.Will a fluorine atom form an anion or a cation? Why? 2.What do the 2+ and 3+ in the ions Fe 2+ and Fe 3+ mean, and how does an iron atom get these charges? 3.Discuss two reasons why an ion is different from its parent atom. 4.List 3 different properties of ionic compounds. 5.Why is lattice energy the key to forming an ionic bond?

18. Work Day!  Chapter 5 Review, pg. 183-184 1-3, 5-8, 10-12, 14, 16, 18-22, 24, 25 DUE TODAY!  Homework: “Polyatomic Ions” worksheet Chapter 5 Concept Review