CHEMISTRY OBJECTIVES

MARCH 2000


CHEMICAL PROPERTIES AND MEASUREMENT

OBJECTIVE

STATE

NATIONAL

1. Students will recognize the basic steps in the scientific method.

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2. Students will know the difference between the terms, hypothesis, theory and law.

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3. Students will know what matter is and the 3 states it can exist in.

   

4. Students will know the difference between physical and chemical properties of substances.

   

5. Students will know the difference between physical and chemical changes.

   

6. Students will know the difference between elements, mixtures and compounds.

   

7. Students will learn the difference between the terms homogeneous and heterogeneous.

   

8. Students will learn what energy is and the Law of Conservation of Energy.

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9. Students will review the metric system and the basic prefixes.

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10. Students will learn the difference between accuracy and precision.

   

11. Students will learn what constitutes significant figures and how to do operations with them.

   

12. Students will learn the difference between mass and weight.

   

13. Students will learn how to find density of substances.

   

14. Students will learn the difference between heat and temperature.

   

15. Students will learn about the specific heat of a substance.

   

16. Students will learn the difference between temperature scales.

   

17. Students will learn problem solving techniques including dimensional analysis.

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ATOMIC STRUCTURE

OBJECTIVE

STATE

NATIONAL

1. Students will learn the names and contributions of the key scientists that led to our present understanding of the atom.

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2. Students will learn the basic concepts of Dalton’s Atomic Theory.

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3. Students will learn the 3 basic subatomic particles, their charges and their relative masses.

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4. Students will learn what constitutes isotopes.

 

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5. Students will learn the difference between terms like atomic mass, atomic number, atomic mass unit.

   

6. Students will be able to explain the significance of quantized energies of electrons.

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7. Students will be able to compare the quantum mechanical model of the atom with previous models.

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8. Students will be able to distinguish among principal energy level, energy sublevel, and atomic orbital.

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9. Students will be able to describe the general shape of s, p, and d orbitals.

   

10. Students will be able to use the Aufbau Principle, the Pauli Exclusion Principle, and Hund’s Rule to write electron configurations of the elements.

   

11. Students will be able to calculate the frequency of light if given the wavelength and vice versa.

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12. Students will be able to calculate the energy of a photon associated with a given wavelength or frequency of light.

 

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13. Students will be able to explain the origin of the atomic emission spectrum of an element.

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PERIODICITY

OBJECTIVE

STATE

NATIONAL

1. Students will learn why one element loses electrons while another gains electrons.

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2. Students will be able to distinguish between ionic and covalent bonds.

 

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3. Students will learn how to write chemical formulas of compounds.

   

OBJECTIVE

STATE

NATIONAL

4. Students will learn the symbols and charges of the main polyatomic ions.

   

5. Students will learn the rules for naming chemical compounds.

   

6. Students will know who prepared the first periodic table.

   

7. Students will know the present periodic law.

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8. Students will be able to write the electron configuration of an element from its position on the periodic table.

 

 

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9. Students will be able to describe how the following properties vary within a family and along a row of the periodic table: atomic radii, ionic radii, ionization energy, and electronegativities.

 

 

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10. Students will be able to identify elements as metals, nonmetals or metalloids.

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MOLE CONCEPT

OBJECTIVE

STATE

NATIONAL

1. Students will learn how to count out atoms by using the mole concept (counting by massing).

   

2. Students will know Avogadro’s number as the number of atoms in a mole.

   

3. Students will be able to convert a given number of moles to a given number of representative particles and vice versa.

   

4. Students will be able to calculate the mass of one mole of a substance from its given formula.

   

5. Students will be able to calculate the number of moles in a given mass of a substance.

   

6. Students will learn the molar volume at STP of 22.4 liters.

   

7. Students will be able to calculate the number of liters occupied by a given number of moles of a compound in the gaseous state.

   

8. Students will be able to calculate percent of composition from the formula of a substance.

   

9. Students will know the difference between empirical and molecular formulas and how to find each from experimental data.

   

 

TYPES OF CHEMICAL REACTIONS

OBJECTIVE

STATE

NATIONAL

1. Students will learn the rules and be able to balance chemical equations.

   

2. Students will be able to classify a chemical reaction as combination, decomposition, single replacement, double replacement or combustion.

 

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3. Students will be able to use the activity series of metals to predict the products of single replacement reactions.

 

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4. Students will be able to complete chemical equations when given only the reactants.

   

 

STOICHIOMETRY

OBJECTIVE

STATE

NATIONAL

1. Students will use balanced chemical equations to do stoichiometric calculations.

   

2. Students will know how to determine the limiting reagent in a chemical reaction.

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3. Students will know how to find the percent of yield in a chemical reaction.

   

4. Students will know what it means for a reaction to be exothermic or endothermic.

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KINETIC THEORY AND GAS LAWS

OBJECTIVE

STATE

NATIONAL

1. Students will know the statements in the Kinetic Theory of Gases

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2. Students will be able to define heat and temperature as related to energy of atoms and molecules.

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3. Students will know the meaning of absolute zero (minimum KE).

   

4. Students will be able to convert from Celsius to Kelvin temperature scales.

   

5. Students will learn that melting and boiling are constant temperature processes.

   

6. Students will learn the heat of fusion and heat of vaporization for water.

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OBJECTIVE

STATE

NATIONAL

7. Students will be able to identify the characteristic parts of a heating curve for a substance.

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8. Students will be able to use Dalton’s Law of Partial Pressure to solve gas pressure problems.

   

9. Students will be able to state the effects of pressure a gas exerts as a change is made in amount of particles, volume, and temperature.

   

10. Students will be able to state Boyle’s Law and use it to solve gas problems.

   

11. Students will be able to state Charles Law and use it to solve gas problems.

   

12. Students will be able to state Gay-Lussac’s Law and use it to solve gas problems.

   

13. Students will be able to use the Combined Gas Law to solve gas problems.

   

14. Students will be able to use the Ideal Gas Law to solve gas problems.

   

 

CHEMICAL BONDING

OBJECTIVE

STATE

NATIONAL

1. Students will be able to draw electron dot formulas for a given element.

   

2. Students will be able to state the octet rule.

   

3. Students will be able to identify elements that tend to gain electrons and those that tend to lose electrons in a chemical reaction.

 

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4. Students will be able to state the properties of substances that have ionic bonds.

   

5. Students will be able to use the theory of metallic bonding to explain the physical properties of metals.

 

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6. Students will be able to identify the characteristics of a covalent bond.

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7. Students will be able to identify the formation of double and triple covalent bonds.

 

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8. Students will be able to draw electron dot formulas for covalent bonded components.

   

9. Students will be able to explain the formation of coordinate covalent bonds.

   

10. Students will be able to explain why some covalent bonds are polar.

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11. Students will be able to use electronegativity data to determine if a bond is ionic, covalent, or polar covalent.

 

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12. Students will be able to describe the weak interactive forces that hold molecules together.

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SOLUTIONS

OBJECTIVE

STATE

NATIONAL

1. Students will be able to describe the characteristics of a hydrogen bond.

   

2. Students will be able to describe the affects of hydrogen bonding on properties water.

   

3. Students will be able to describe the solution process of solutes and solvents.

   

4. Students will know the rule of solutions "likes dissolve likes."

   

5. Students will be able to distinguish between strong electrolytes, weak electrolytes and nonelectrolytes.

   

6. Students will be able to describe the characteristics of colloids and suspensions.

   

7. Students will be able to identify water of hydration in the formula of a compound.

   

8. Students will know what factors affect the rate a solute will dissolve in a solvent.

   

9. Students will be able to explain the difference between unsaturated, saturated and super saturated solutions.

   

10. Students will be able to describe concentrations in molarity and be able to calculate how to prepare solutions in molarity.

   

11. Students will be able to describe how to prepare dilute solutions from given laboratory solutions of a given molarity.

   

12. Students will be able to perform calculations involving percent (volume/volume) and percent (mass/volume) solutions.

   

13. Students will be able to explain how solutes affect vapor pressure, boiling points, and freezing points.

   

OBJECTIVE

STATE

NATIONAL

14. Students will be able to solve problems involving boiling point elevations and freezing point depressions.

   

15. Students will be able to examine an energy vs. reaction graph and determine the activation energy and if the reaction is endothermic or exothermic.

 

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16. Students will be able to explain the factors that determine the rate of reaction.

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17. Students will be able to explain what entropy means.

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18. Students will be able to describe a dynamic equilibrium situation.

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19. Students will be able to write equilibrium expressions.

   

20. Students will be able to use Le Chatelier’s Principle to predict the changes in the equilibrium position due to changes in concentration, temperature and pressure.

 

 

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21. Students will be able to find the Ksp for salt solutions.

   

 

ACIDS, BASES AND SALTS

OBJECTIVES

STATE

NATIONAL

1. Students will be able to describe the characteristics of acids and bases using the Arrhenius Theory, Bronsted-Lowry Theory and Lewis Theory.

   

2. Students will be able to write ionization equations for water, acids and bases.

   

3. Students will be able to list properties of acids and bases.

   

4. Students will be able to distinguish between weak and strong acids and bases.

   

5. Students will be able to write equations for acid dissociation constant.

   

6. Students will be able to calculate pH for a given solution.

   

7. Students will be able to complete and balance neutralization reactions equations.

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8. Students will be able to explain the steps in titration reactions.

   

9. Students will be able to explain how a buffer works.

   

 

OXIDATION-REDUCTION

OBJECTIVE

STATE

NATIONAL

1. Students will be able to define oxidation and reduction in terms of loss or gain of oxygen, hydrogen, or loss, gain, or shift of electrons, or by change in oxidation number.

 

 

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2. Students will be able to identify oxidizing and reducing agents in a redox reaction.

   

3. Students will be able to determine the oxidation number of an atom of any element in a pure substance.

   

 

NUCLEAR CHEMISTRY

OBJECTIVE

STATE

NATIONAL

1. Students will be able to define the term radioactivity and background radiation.

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2. Students will be able to list the three major radioactive decay emissions.

 

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3. Students will be able to define half-life.

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4. Students will know the difference between fission and fusion reactions.

 

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