THE EXAM!Monday, May 2,2016 8:00 am

WE have 245 Days to Get Ready for a 3,4 or 5

WHAT I NEED TO KNOW ABOUT THE

EXAM!What is the exam format?

How is it graded?When will I know

how I did?How well does everybody score?

What is the exam format?Two major sectionsSection I is multiple choice (90 minutes)

Section II is free response (105 minutes)

Section I 60 Multiple Choice Questions covering all

topics (only 50 will be part of your score) 50% of the exam grade 4 choices (letters a-d) per question Periodic Table and Equation Sheet NO calculator 90 minutes for this part

Section I GradingScore is based on number correctAnd ONLY number correct!NO PENALTY FOR GUESSING!

MULTIPLE CHOICE MULTIPLE CHOICE Example #1Example #1

Which element forms an oxide that is a molecular solid?

a)sodiumb)argon c)carbond)silver

MULTIPLE CHOICE Example #2MULTIPLE CHOICE Example #2Which of the following particulate diagrams best shows the formation of water vapor from hydrogen gas and oxygen gas in a rigid container at 125°C?

MULTIPLE CHOICE Examples #’s 3-5MULTIPLE CHOICE Examples #’s 3-5Questions 3–5 refer to three gases in identical rigid Questions 3–5 refer to three gases in identical rigid

containers under the conditions given in the table below.containers under the conditions given in the table below.

MULTIPLE CHOICE Examples #’s 3-5MULTIPLE CHOICE Examples #’s 3-5

3. The average kinetic energy of the gas molecules is(A) greatest in container A(B) greatest in container B(C) greatest in container C(D) the same in all three containers

4. The density of the gas, in g/L, is(A) greatest in container A(B) greatest in container B(C) greatest in container C(D) the same in all three containers

5. If the pressure of each gas is increased at constant temperature until condensation occurs, which gas will condense at the lowest pressure?(A) Methane(B) Ethane(C) Butane(D) All the gases will condense at the same pressure.

Section IIo Free Responseo 105 minutes o 50% of the exam gradeo “2 major parts”o Given information:

1. Periodic Table2. Equation Sheet3. Reduction Potential Table

Section II Grading Quantitative Problems

& Essays with various point values

Grading protocol (rubric) established & partial points awarded for each part.

“Conditional grading” is in effect.

Section IIo Questions #1-3

1. Quantitative section2. CAN USE a calculator3. Each question is worth 10 points

o Questions #4-7 1. Short Essays/Problems2. Each question is worth 4 points3. CAN USE a calculator

Section IIo Problems 1-3

Topics vary, examples are • Equilibrium• Stoichiometry• Kinetics• Gas laws• Thermodynamics• Electrochemistry

Conditional Grading in effect Sig Figs “Count” on 1 problem

Example of Q’s 1-3Example of Q’s 1-3

2009 Free Response Example Problem

Section II o Problems 4-7

Problems are “essays”• Get to the point by using key terms

Must do both all of them Topics vary, examples are

• Structure and Properties of Matter• Chemical Reactions and Rates• Thermodynamics• Lab Procedures• Equilibrium

Example of Q’s 4-7Example of Q’s 4-7

2011B Free Response

Example Problem #6

Example Test #3

Example of Q’s 4-7Example of Q’s 4-7

Who grades the exams? (AP Chemistry Reading)

Chief ReaderQuestion LeaderTable Leader (2-4/Q)Reader (8-10/TL)(Aids)

When are the exams graded?

Dates: 7 Days in early-JuneVenue: Salt Lake City, UTReaders: 300+ College and

High school teachers are readers. They must teach AP Chemistry or equivalent courses in their institutions

When will I know how I When will I know how I did?did?

•You and I will get your You and I will get your results in early Julyresults in early July

AP SCORE COMPARISONAP SCORE COMPARISON

Year 2011 2012 2013 2014 2015Mr.

Morrow’s 2015

Mr. Morrow's Average

AP Score

5 17.0 16.3 18.2 10.1 8.4 11.7 17.84 18.4 19.3 21.3 16.6 15.2 11.7 25.13 19.5 20.1 19.5 25.7 28.1 41.0 31.42 14.6 15.0 15.1 25.8 25.5 17.6 14.11 30.4 29.2 26.4 21.8 22.8 17.6 14.1

Mean 2.77 2.79 2.78 2.78 2.78 2.82 3.28

# of students 122,651 132,777 125,856 149,392 153,557 17 174

74 % of my students score a 3 or higher

Transition to New Test?

Old style will still be on Unit Old style will still be on Unit TestsTestsMatching SectionMatching SectionEquation SectionEquation SectionEquation SheetEquation Sheet

MATCHINGMATCHINGa)1s2 2s2 2p5 3s2 3p5 4s1

b)1s2 2s2 2p6 3s2 3p6

c) 1s2 2s2 2p6 2d10 3s2 3p6

d)1s2 2s2 2p6 3s2 3p6 4s2

e)1s2 2s2 2p6 3s2 3p6 4s2 3d3

1. An impossible electronic configuration2. The ground–state electronic configuration for the

atoms of a transition element3. The ground–state electronic configuration of a

negative ion of a halogen4. The ground–state electronic configuration of an

alkaline earth element5. An excited-state electronic configuration of an atom

Equation Section Equation writing Three statements For each you must write a balanced

equation (1 point for reactants and 2 points for products; 1 point for balancing)

There is a follow up questions for each equation (1 point)

Equation Section Directions

o Provide a balanced chemical equation o Equations should only show the reacting substanceso And then an additional question will be asked about

the equation/reactiono The majority of the credit for a response will be majority of the credit for a response will be

earned for writing the balanced equationearned for writing the balanced equationo The remaining credit will be earned for correctly The remaining credit will be earned for correctly

answering the question that follows each reaction, answering the question that follows each reaction, which will require the student to focus more on the which will require the student to focus more on the meaning of the reaction. meaning of the reaction.

Equation Sectiono A solution of nickel (II) bromide is

added to a solution of potassium hydroxide.

o Identify the spectator ions in the Identify the spectator ions in the reaction mixture. reaction mixture.

Equation Sectiono A solution of acetic (ethanoic) acid is A solution of acetic (ethanoic) acid is

added to solid calcium carbonate. added to solid calcium carbonate. o What visual evidence would be seen

that indicates a chemical reaction has occurred?

o (If hydrochloric acid replaces acetic acid will the reaction occur slower or faster. Explain)