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.
2.
3.
4.
5.
6.
7.
8.
9.
CH3OH
CH4
PF3
OF2
NO2BH3
SO4 2CNN 2H 2
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