Final Review: Chp. 8 and 9

Vocabulary• Covalent bond• Endothermic

reaction• Lewis Exothermic

reaction• structure • Molecule• Pi bond• Sigma bond• Resonance• Structural formula• VESPR model• Polar covalent

bond• Non-polar bond• Chemical equation• Chemical reaction

•Coefficient•Product•Reactant•Combustion reaction•Decomposition reaction•Single replacement reaction•Double replacement reaction•Synthesis reaction•Precipitate•Aqueous•Complete ionic equation•Net ionic equation•Solute•Solvent•Spectator Ion

Which diagram correctly depicts the trend in electronegativity?

How many atoms in each formula?

1. CH3OH

2. CH4

3. PF3

4. OF2

5. NO2-

6. BH3

7. SO4 2-

8. CN-

9. N2H2

Covalent Bonds

• How many covalent bonds can elements in the following groups form:– Group 1 (alkali metals)– Group 2 (alkali earth metals)– Group 3 – Group 4– Group 5– Group 6– Group 7 (halogens)– Group 8 ( noble gases)

Diatomic Molecules

• List the 7 diatomic molecules:

Naming Molecules

• SiS4

• PCl5

• CCl4

• NO

Writing Formulas

• Sulfur difluoride

• Silicon tetrachloride

• Chlorine trifluoride

• Tetrasulfur heptanitride

Lewis structures

• CH3OH

• BH3

• N2H2

Lewis Structures with polyatomic ions

• SO4 2-

• CN-

Molecular Shapes

• CH4

• PF3

• OF2

• NO2-

Lewis Structures with resonance

• NO3–

• CO32-

Label the following as reactants or products

• Zinc and lead (II) nitrate react to form zinc nitrate and lead.

• 2SO2 + O2 2AL(OH)3 + 3CaSO4

• 2Be + O2 2BeO• 2PbO2 2PbO + O2

List the following GENERAL equations

• Combustion

• Synthesis

• Decomposition

• Double replacement

• Single replacement

Name the type of chemical reaction

• 2SO2 + 3O2 2SO4

• 2Be + O2 2BeO• 2PbO2 2PbO + O2

• C2H6 + O2 CO2 + H2O

• Li + NaOH LiOH + Na

What chemical reaction does this picture show?

What chemical reaction does this picture show?

Write the correct ratio of coefficients for the following:

• Zinc and lead (II) nitrate react to form zinc nitrate and lead.

• 2SO2 + O2 2Al(OH)3 + 3CaSO4

• 2Be + O2 2BeO

• 2PbO2 2PbO + O2

• C2H6 + O2 CO2 + H2O

Balance the following equations and write the ratio of coefficients:

Find the products

• 1) ____ Na + ____ FeBr3

• 2) ____ NaOH + ____ H2SO4

• 3) ____ C2H4O2 + ____ O2

Write the total ionic equation

Write the net ionic equation

Find the products, balance, and create the total and net ionic

equations