The exam

The AP Chemistry exam

AP Chemistry Exam Thursday, May 6, 2027

Format

Section	Questions	Time	Share of score
I: Multiple Choice	60	90 minutes	50%
II: Free Response	7	105 minutes	50%

The free-response section has three long questions worth 10 points each and four short questions worth 4 points each. A scientific or graphing calculator is recommended for use on both sections of the exam, and you are given the periodic table and a formula sheet.

Multiple-choice weighting by unit

Unit	Approximate weighting
Unit 1: Atomic Structure and Properties	7–9%
Unit 2: Compound Structure and Properties	7–9%
Unit 3: Properties of Substances and Mixtures	18–22%
Unit 4: Chemical Reactions	7–9%
Unit 5: Kinetics	7–9%
Unit 6: Thermochemistry	7–9%
Unit 7: Equilibrium	7–9%
Unit 8: Acids and Bases	11–15%
Unit 9: Thermodynamics and Electrochemistry	7–9%

Ranges as printed in College Board's AP Chemistry Course and Exam Description.

Past free-response questions

All 84 free-response questions College Board has released for this course from 2014 to 2026, each with a space to write your answer and the scoring guidelines to score it.

Practice past questions