AP Chemistry Test Breakdown
AP Chemistry Test Breakdown
Test format: 75 multiple choice questions – 1½ hours long. 50% of overall grade.
Non-calculator, simple math problems and no penalty for guessing.
Free-response section is broken up into two parts. Part A is questions one, two and three. Part B is questions four, five, and six. Part A is calculator based – part B is not. Together they are 1hour and 35 minutes long (part A= 55 minutes, part B = 40 minutes) and 50% of overall grade.
Question one: EQUILIBRIUM PROBLEM – calculator based question.
20 percent of free-response grade – 10% of overall grade.
Question two Calculator based question. 20 percent of free-response grade –
and three: 10% of overall grade. Topics for the questions include:
□ laboratory investigation
□ kinetics
□ thermodynamics
□ electrochemistry
□ stoichiometry
□ gas laws
Question four: REACTION PREDICTIONS (i.e. equations). 10 percent of F-R grade, 5.0% of overall grade. Three sets of problems. Five points apiece, determined by:
□ Part (i) of each question is to write a balanced net ionic equation.
o One point reactants, two points for the product, one point for correctly balanced equation.
□ Part (ii) of each set is to answer a question related to the reaction.
o One point for the answer.
Question five: 15% of F-R grade – 7.50% of overall grade. This question can be on any topic.
and six This is non-calculator based, so there should not be any math that is too hard to do. Examples of this question will be:
□ explain the magnitude of the signs of ΔΗ, ΔS, ΔG (enthalpy, entropy, Gibb’s Free Energy, respectively)
□ kinetics (writing rate laws and/or mechanism)
□ explain deviations from gas laws
□ Periodic Trends
□ Electron Configurations
□ Bonding
□ Intermolecular forces
□ VSEPR theory
REQUIRED LAB QUESTION: One question will be a laboratory investigation question. If it is not in part A, then it will be in Part B. The question can cover any of the 23 lab topics listed in the AP Chemistry course guide. (We can only do around 12-15 labs a year!) The trick here is to relate the chemistry that we have done to the question (easier said than done!). There is ALWAYS a laboratory error analysis component to the question (i.e. if this happened, how does it affects your results type question).
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