1. Bell Work 1 / Bonding
1. Why do atoms bond together? 2. How do they become more stable? Explain by telling what happens to the electron in each type of bond. 3. Determine the type of bond in the following formulas a. NaCl b. CO2 c. K2SO4 d. TiN3 e. Mg3N2 f. CuZn g. NO2 h. Al2O3

2. Bell Work 2 / Bonding Characteristics
List 5 characteristics of each Type of Bond
Ionic Bond
Covalent Bond
Metallic Bond 1. 2. 3. 4. 5.

3. Bell Work 3 / IMF’S and Molecular Shape
1. Why does CaF2 have a greater melting point than NH3? 2. Draw the Lewis Structure for the following compounds and give name of structure. Then place in order of increasing melting points. a. CH4 b. BCl3 c. PBr3 d. OF2 e. O2 3. A liquid held together by which of the following forces would you expect to have the lowest boiling point? a. Ionic bonds b. London forces c. hydrogen bonds d. metallic bonds 4. Which of the following species are listed in order of increasing boiling point? a. H2, N2, NH3 b. N2, NH3, H2 c. NH3, H2, N2 d. NH3, N2, H2

4. Bell Work 4 / Writing Compounds
Write the Chemical Formula or name for the Following:
a. Lithium fluoride b. Magnesium Phosphide
c. Lead (IV) Carbonate   f. Nickel (II) sulfite
d. Zinc chloride

5. Bell Work 5 / Writing Formulas
Write the Name of the following:
1. Magnesium oxide 2. copper (II) hydroxide 3.Lead (IV) Sulfate
4. Tin (II) oxide 5. Barium chlorate 6. cadmium phosphide

6. Bell Work 6 / Nomenclature Review
Write the formula for the following compounds:
Magnesium chloride 2. Iron (II) hydroxide
3. Copper (II) sulfite 4. Ammonium sulfide
Write the name of the compounds for the following formulas:
5. Be(C2H3O2) AlN
7. Pb(SO4) Hg(CN)2

7. Bell Work 6 / Nomenclature Review
Write the formula for the following compounds: 1. Magnesium chloride 2. Iron (II) hydroxide 3. Copper (II) sulfite 4. Ammonium sulfide Write the name of the compounds for the following formulas: 5. Be(C2H3O2)2 6. AlN 7. Pb(SO4)2 8. Hg(CN)2

8. Bell Work 7 / Mixed Review
Write the formula for the following compounds.
Sulfur triselenide trinitrogen hexafluoride 3. Lead(IV) sulfide
3. N3O6 4. PbO 5. ZnO
6. Magnesium Nitrite 7. potassium sulfate
8. Nickel (II) chlorate 9. NH4Cl

9. Bell Work 2 / Table of Naming
Fill in the table for writing/naming compounds
Bell Work 2 / Table of Naming
Formula
Compound Type: Ionic or Covalent
Name
SrCl2
If Ionic: Main Group or Transition?
If Ionic: Does it have a Polyatomic?
Dihydrogen monoxide
PbO
Lead(IV) sulfide
Sn3(PO4)2
Tin (II) sulfate
N4O5
ZnO
H2SO3

10. Bell Work 6 / Molecular Nomenclature and Acids
Write the formula for the following compounds.
Sulfur triselenide trinitrogen hexafluoride
N3O XeF H3PO4
6. Hydrobromic Acid 7. Nitrous Acid

11. Bell Work 6 / Assigning Oxidation States
1. Assign oxidation numbers to each element in the following compounds: a. SO3-2 b. NH3 c. HNO3

12. Bell Work 4 / Bonding
Why do elements form chemical bonds?
2. What is the most stable oxidation state?
3. How many valence electrons are there is a stable element or ion?