Practice-QUIZ Ch. 7- Ionic Compounds                                                       NAME:__________________

Part 1: Multiple Choice:

1. What is the ionic charge on the manganese ion in the ionic compound that has the formula MnO₂?  (a) 2+  (b) 3+  (c) 4+  (d) 7+

2. Elements of Group VIA  (a) generally form -1 anions.  (b) generally form -2 anions.  (c) generally form +2 cations.  (d) do not combine with other elements.

3. Which element when combined with aluminum would most likely form an ionic compound?  (a) calcium  (b) sulfur  (c) sodium  (d) none of these

4. All of the following are ionic compounds except: (a) LiCl. (b) AlCl₃. (c) CCl₄. (d) MgCl₂.

5. Atoms exchange or share electrons in order to acquire the electron configurations of a noble gas.  This statement is called:  (a) Noble Gas Rule.  (b) The Periodic Law.      (c)  The Octet Rule.  (d)  Aufbau Principle.

6. What is the name of the following polyatomic ion, ClO₂^-?  (a) perchlorate (b) chlorate  (c) chlorite  (d) chlorine dioxide

7. Which is the formula of the phosphate ion?  (a) PO₄^3-  (b) PO₃^3-  (c) PO₄^2-  (d) PO₃^2- 
    

8. Write the formulas for the following compounds.

1. strontium hydroxide

2. nickel (II) sulfate

3. lead (IV) oxide

4. cadmium fluoride

5. scandium silicate

6. iron (II) oxalate

7. sodium hydrogen sulfate

8. potassium cyanide

9. ammonium carbonate

9. Name the following compounds.

1. CdBr₂

2. NiPO₃

3. Li₂CrO₄

4. Mg(ClO₂)₂

5. Al₂Se₃

6. Ti(Cr₂O₇)₂

7. MnO₂

10. Name the following polyatomic ions:

1. C₂H₃O₂^-

2. ClO₄^-

3. SO₃^2-

4. NO₂^-

5. HPO₄^2-

6. HSO₃^-

11. Give the formula for the following polyatomic ions:

1. Oxalate

2. Ammonium

3. Cyanide

4. Chlorate

5. Hypochlorite

6. Nitrate

7. Permanganate

12. List four physical properties of ionic compounds.

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