CHEMISTRY 11 - FINAL EXAM REVIEW- PART I
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Which subatomic particle is found in energy levels outside the nucleus of an atom or ion?
a. proton
b. neutron
c. electron
d. none of the above
____ 2. Which term describes the net force experienced by an electron in an atom due to the positively charged
nucleus?
a. atomic number
b. atomic mass
c. effective nuclear charge
d. mass number
____ 3. Which type of representation is shown here?
a. Lewis structure for molecular compound
b. Lewis symbols for ionic compound
c. structural formula for molecular compound
d. structural formula for molecular element
____ 4. Hydrogen has an electronegativity value of 2.2, and chlorine has an electronegativity value of 3.2. When
hydrogen and chlorine bond, which type of bond forms?
a. polar covalent bond
b. ionic bond
c. non-polar covalent bond
d. none of the above
____ 5. Which of the following physical properties of molecular compounds is determined by the strength of
intermolecular forces?
a. physical state of a compound at a specific temperature and pressure
b. boiling point
c. melting point
d. all of the above
____ 6. Which of the following refers to a compound manufactured from a fossil fuel?
a. renewable resource
b. petrochemical
c. biodegradable
d. compostable
____ 7. Which type of reaction does this illustration represent?
a. double displacement reaction
b. decomposition reaction
c. single displacement reaction
, d. synthesis reaction
____ 8. In a solution in which salt is dissolved in water, which term describes the water?
a. solute
b. solvent
c. precipitate
d. catalyst
____ 9. Which of the following statements about chemical reactions is accurate?
a. A balanced chemical equation gives the correct proportions of chemicals in a chemical
reaction and obeys the law of conservation of mass.
b. Evidence of a chemical reaction includes colour change, absorption of energy, and
formation of a precipitate.
c. During a chemical reaction, reactant atoms rearrange to form products.
d. all of the above
____ 10. What are the products of complete combustion of a hydrocarbon?
a. energy, carbon dioxide, and water vapour
b. carbon dioxide, water vapour, and methane
c. carbon monoxide, soot, and energy
d. energy, carbon monoxide, and hydrogen
____ 11. Which choice correctly orders the steps of processing a metal from its ore into a finished product?
a. mineral extraction, metal extraction, mining and grinding the ore; further purification
b. mining and grinding the ore; metal extraction; mineral extraction; further purification
c. mining and grinding the ore; further purification; metal extraction; mineral extraction
d. mining and grinding the ore; mineral extraction; metal extraction; further purification
____ 12. How many grams of calcium sulfate, CaSO4, are in 0.300 00 mol? Assume
MCaSO4 = 136.1406 g/mol.
a. 40.842 g
b. 135.84 g
c. 0.00222 g
d. 136.44 g
____ 13. Which statement about molecular and empirical formulas is accurate?
a. The molecular formula is sometimes, but not always, the same as the empirical formula.
b. Most chemical formula for ionic compounds are molecular formulas.
c. The molecular formula gives the simplest whole-number ratio of the elements in a
compound.
d. all of the above
____ 14. Hydrogen reacts with oxygen to form water. This reaction is represented with the following chemical
equation: 2 H2(g) + O2(g) 2 H2O(g). If 7.1 g of hydrogen reacts with 10.3 g of oxygen to produce water,
which of the following is the limiting reagent? Use the molar mass values given here.
= 2.0159 g/mol
= 31.9989 g/mol
= 18.0153 g/mol
a. oxygen
b. hydrogen
c. water
d. none of the above
____ 15. Aluminum reacts with chlorine to form aluminum chloride. The equation for this
, reaction is 2 Al(s) + 3 Cl2(g) 2 AlCl3(s). What is the percentage yield for a reaction in which 33.5 g of
aluminum is reacted with excess chlorine to produce 164.5 g of aluminum chloride? Use the molar mass
values given here.
= 26.9815 g/mol
= 70.9064 g/mol
= 133.3411 g/mol
a. 66.8 %
b. 100.6 %
c. 99.4 %
d. 49.7 %
____ 16. Which of the following statements about concentration is accurate?
a. “Molar concentration” is the preferred IUPAC term for solution concentration.
b. The concentration of a solution is the quantity of dissolved solute per unit volume of
solution.
c. A solution of known concentration is called a stock solution.
d. Amount concentration is the amount (in moles) of solute dissolved per millilitre of
solution.
____ 17. Which term describes the process of reducing the concentration of a solution by adding more solvent?
a. hydration
b. transpiration
c. dissociation
d. dilution
____ 18. Which of the following accurately shows the dissociation equation for calcium chloride, CaCl2?
a. CaCl2(s) Ca2+(aq) + Cl1−(aq)
b. Ca2+(aq) + Cl1−(aq) CaCl2(s)
c. Ca2+(aq) + 2 Cl1−(aq) CaCl2(s)
d. CaCl2(s) Ca2+(aq) + 2 Cl1−(aq)
____ 19. What mass of benzoyl peroxide is present in 150 g of an acne solution with a 5.0 % W/W benzoyl peroxide
concentration?
a. 7.5 g
b. 30.0 g
c. 1.5 g
d. 13.3 g
____ 20. Which term describes a chemical equation that includes only the entities that react during the reaction?
a. net ionic equation
b. formula equation
c. total ionic equation
d. none of the above
____ 21. 31.5 g of magnesium hydroxide, Mg(OH)2, is dissolved to prepare 250.0 mL of solution. What is the amount
concentration of hydroxide ions in the solution? The molar mass of magnesium hydroxide is 58.3198 g/mol.
a. 0.540 mol/L
b. 1.08 mol/L
c. 4.32 mol/L
d. 2.16 mol/L
____ 22. Which term describes any acid that includes oxygen in its formula?
a. strong acid
b. titrant
c. weak acid
, d. oxyacid
____ 23. 395 kPa is equivalent to which of the following values?
a. 2960 mm Hg
b. 7.50 mm Hg
c. 3.90 mm Hg
d. 300 200 mm Hg
____ 24. Which of the following equations represents Avogadro’s law?
a.
b.
c.
d.
____ 25. Suppose a container holds three gases: oxygen, carbon dioxide, and nitrogen. The partial pressure of the
oxygen is 101 kPa, and the partial pressure of the carbon dioxide is 233 kPa. If the total pressure inside the
container is 525 kPa, what is the partial pressure of the nitrogen gas?
a. 191 kPa
b. 292 kPa
c. 424 kPa
d. 334 kPa
____ 26. Which of the following statements about ideal gas molecules is accurate?
a. They have no volume.
b. They attract each other.
c. They condense to a liquid when cooled.
d. all of the above
____ 27. Based on the solubility curve shown here, which of the following terms best describes a solution at 60 C that
contains 200 g sucrose/100 g of water?
a. saturated
b. supersaturated
c. unsaturated
d. none of the above
____ 28. Which term refers to very small particles emitted from the nucleus of a radioisotope as it decays?
a. ionization energy
b. metalloids
c. nuclear radiation
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Which subatomic particle is found in energy levels outside the nucleus of an atom or ion?
a. proton
b. neutron
c. electron
d. none of the above
____ 2. Which term describes the net force experienced by an electron in an atom due to the positively charged
nucleus?
a. atomic number
b. atomic mass
c. effective nuclear charge
d. mass number
____ 3. Which type of representation is shown here?
a. Lewis structure for molecular compound
b. Lewis symbols for ionic compound
c. structural formula for molecular compound
d. structural formula for molecular element
____ 4. Hydrogen has an electronegativity value of 2.2, and chlorine has an electronegativity value of 3.2. When
hydrogen and chlorine bond, which type of bond forms?
a. polar covalent bond
b. ionic bond
c. non-polar covalent bond
d. none of the above
____ 5. Which of the following physical properties of molecular compounds is determined by the strength of
intermolecular forces?
a. physical state of a compound at a specific temperature and pressure
b. boiling point
c. melting point
d. all of the above
____ 6. Which of the following refers to a compound manufactured from a fossil fuel?
a. renewable resource
b. petrochemical
c. biodegradable
d. compostable
____ 7. Which type of reaction does this illustration represent?
a. double displacement reaction
b. decomposition reaction
c. single displacement reaction
, d. synthesis reaction
____ 8. In a solution in which salt is dissolved in water, which term describes the water?
a. solute
b. solvent
c. precipitate
d. catalyst
____ 9. Which of the following statements about chemical reactions is accurate?
a. A balanced chemical equation gives the correct proportions of chemicals in a chemical
reaction and obeys the law of conservation of mass.
b. Evidence of a chemical reaction includes colour change, absorption of energy, and
formation of a precipitate.
c. During a chemical reaction, reactant atoms rearrange to form products.
d. all of the above
____ 10. What are the products of complete combustion of a hydrocarbon?
a. energy, carbon dioxide, and water vapour
b. carbon dioxide, water vapour, and methane
c. carbon monoxide, soot, and energy
d. energy, carbon monoxide, and hydrogen
____ 11. Which choice correctly orders the steps of processing a metal from its ore into a finished product?
a. mineral extraction, metal extraction, mining and grinding the ore; further purification
b. mining and grinding the ore; metal extraction; mineral extraction; further purification
c. mining and grinding the ore; further purification; metal extraction; mineral extraction
d. mining and grinding the ore; mineral extraction; metal extraction; further purification
____ 12. How many grams of calcium sulfate, CaSO4, are in 0.300 00 mol? Assume
MCaSO4 = 136.1406 g/mol.
a. 40.842 g
b. 135.84 g
c. 0.00222 g
d. 136.44 g
____ 13. Which statement about molecular and empirical formulas is accurate?
a. The molecular formula is sometimes, but not always, the same as the empirical formula.
b. Most chemical formula for ionic compounds are molecular formulas.
c. The molecular formula gives the simplest whole-number ratio of the elements in a
compound.
d. all of the above
____ 14. Hydrogen reacts with oxygen to form water. This reaction is represented with the following chemical
equation: 2 H2(g) + O2(g) 2 H2O(g). If 7.1 g of hydrogen reacts with 10.3 g of oxygen to produce water,
which of the following is the limiting reagent? Use the molar mass values given here.
= 2.0159 g/mol
= 31.9989 g/mol
= 18.0153 g/mol
a. oxygen
b. hydrogen
c. water
d. none of the above
____ 15. Aluminum reacts with chlorine to form aluminum chloride. The equation for this
, reaction is 2 Al(s) + 3 Cl2(g) 2 AlCl3(s). What is the percentage yield for a reaction in which 33.5 g of
aluminum is reacted with excess chlorine to produce 164.5 g of aluminum chloride? Use the molar mass
values given here.
= 26.9815 g/mol
= 70.9064 g/mol
= 133.3411 g/mol
a. 66.8 %
b. 100.6 %
c. 99.4 %
d. 49.7 %
____ 16. Which of the following statements about concentration is accurate?
a. “Molar concentration” is the preferred IUPAC term for solution concentration.
b. The concentration of a solution is the quantity of dissolved solute per unit volume of
solution.
c. A solution of known concentration is called a stock solution.
d. Amount concentration is the amount (in moles) of solute dissolved per millilitre of
solution.
____ 17. Which term describes the process of reducing the concentration of a solution by adding more solvent?
a. hydration
b. transpiration
c. dissociation
d. dilution
____ 18. Which of the following accurately shows the dissociation equation for calcium chloride, CaCl2?
a. CaCl2(s) Ca2+(aq) + Cl1−(aq)
b. Ca2+(aq) + Cl1−(aq) CaCl2(s)
c. Ca2+(aq) + 2 Cl1−(aq) CaCl2(s)
d. CaCl2(s) Ca2+(aq) + 2 Cl1−(aq)
____ 19. What mass of benzoyl peroxide is present in 150 g of an acne solution with a 5.0 % W/W benzoyl peroxide
concentration?
a. 7.5 g
b. 30.0 g
c. 1.5 g
d. 13.3 g
____ 20. Which term describes a chemical equation that includes only the entities that react during the reaction?
a. net ionic equation
b. formula equation
c. total ionic equation
d. none of the above
____ 21. 31.5 g of magnesium hydroxide, Mg(OH)2, is dissolved to prepare 250.0 mL of solution. What is the amount
concentration of hydroxide ions in the solution? The molar mass of magnesium hydroxide is 58.3198 g/mol.
a. 0.540 mol/L
b. 1.08 mol/L
c. 4.32 mol/L
d. 2.16 mol/L
____ 22. Which term describes any acid that includes oxygen in its formula?
a. strong acid
b. titrant
c. weak acid
, d. oxyacid
____ 23. 395 kPa is equivalent to which of the following values?
a. 2960 mm Hg
b. 7.50 mm Hg
c. 3.90 mm Hg
d. 300 200 mm Hg
____ 24. Which of the following equations represents Avogadro’s law?
a.
b.
c.
d.
____ 25. Suppose a container holds three gases: oxygen, carbon dioxide, and nitrogen. The partial pressure of the
oxygen is 101 kPa, and the partial pressure of the carbon dioxide is 233 kPa. If the total pressure inside the
container is 525 kPa, what is the partial pressure of the nitrogen gas?
a. 191 kPa
b. 292 kPa
c. 424 kPa
d. 334 kPa
____ 26. Which of the following statements about ideal gas molecules is accurate?
a. They have no volume.
b. They attract each other.
c. They condense to a liquid when cooled.
d. all of the above
____ 27. Based on the solubility curve shown here, which of the following terms best describes a solution at 60 C that
contains 200 g sucrose/100 g of water?
a. saturated
b. supersaturated
c. unsaturated
d. none of the above
____ 28. Which term refers to very small particles emitted from the nucleus of a radioisotope as it decays?
a. ionization energy
b. metalloids
c. nuclear radiation
