1. Introduction About the AP Chemistry Subject
Course Content of AP Chemistry
AP Chemistry is an advanced-level chemistry course designed to provide students with foundational and advanced knowledge of chemical principles while preparing them for the AP Chemistry exam. The course covers key areas such as:
- Atomic Structure and Properties
- Molecular and Ionic Compound Structure and Properties
- Intermolecular Forces and Properties
- Chemical Reactions
- Kinetics
- Thermodynamics
- Equilibrium
- Acids and Bases
- Applications of Thermodynamics
AP Chemistry covers fundamental chemistry concepts, including atomic structure, chemical reactions, and thermodynamics. The curriculum is designed to provide students with an in-depth understanding of the properties of matter and how they behave and interact with each other. The course emphasizes conceptual understanding and practical laboratory skills, with students expected to design experiments, collect and analyze data, and communicate their findings effectively.
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Exam Format and Scoring Structure
The AP Chemistry exam is typically held at the end of the academic year and consists of two main sections: Multiple Choice Questions (MCQ) and Free Response Questions (FRQ).
Multiple-choice Questions (MCQs): There are two types of MCQs: discrete questions and question sets. Discrete questions are standalone questions with four answer choices (A–D). Question sets consist of two or more linked questions based on a given graph, experiment, or dataset.
Free Response Questions: There are seven FRQs, including three long, multi-part questions worth 10 points each and four short, multi-part questions worth 4 points each. These questions cover all nine units of the course.
Below is a breakdown of the AP Chemistry exam scoring structure by section and content.


Is AP Chemistry Difficult?
AP Chemistry is considered one of the most challenging AP courses due to its depth of content and the knowledge required to master the material. The problems are often complex, requiring extensive practice to avoid mistakes. However, with thorough preparation and effective study methods, you can conquer the AP Chemistry exam. To help you review and practice, Aralia has compiled all the essential tips and free resources to get you started today.
2. Tips for Studying and Reviewing AP Chemistry
- Create a clear study plan: Develop a detailed schedule and allocate time for each topic. Start reviewing 3-4 months before the exam to ensure ample time to consolidate knowledge and familiarize yourself with the question types.
- Master formulas and theories: In chemistry, formulas and theories are crucial for solving problems. These concepts frequently appear in the MCQ section, so ensure you understand and can apply them effectively.
- Use multiple learning methods: If traditional lectures or textbooks aren’t working, try alternative resources like the College Board’s YouTube lectures, chemistry-focused channels, or even chemistry games. Different teachers and materials present concepts in unique ways, so explore various resources to find what works best for you.
- Focus on lab experiments: Experiment-related questions often appear on the AP Chemistry exam. Take detailed notes during lab sessions. If you don’t have access to labs, watch instructional videos on YouTube to understand the experiments.
- Use flashcards for review: Flashcards are an effective way to memorize theoretical concepts, especially formulas and theories. Use apps like Quizlet or Knowt to create flashcards or access pre-made AP Chemistry decks.

Tips for the Multiple Choice Section from College Board:
- Proper time management: In the 60-question test, there will be easy questions where you can quickly find the answer, questions that you understand and know how to solve but require some time for calculations, and questions where you haven’t yet figured out the solution. The College Board suggests allocating your test time as follows:
- First 40 minutes: Go through all 60 questions once to eliminate the difficult ones and those that require more time. Spend about 40 seconds per question, selecting answers immediately for those you are confident about or can solve quickly. At the same time, mark questions that require extra time with an “X” and those you find difficult and haven’t figured out yet with a “Y.
- Next 40 minutes: Focus on solving the “X” questions that require more time for calculations. Stay calm and try to avoid careless mistakes. Since you already know how to solve these, it would be unfortunate to lose points due to minor errors.
- Final 10 minutes: Use this time for the “Y” questions. These are the difficult ones where you don’t have a clear solution. In this case, you can try using the elimination method based on the given information.
With this time allocation, you ensure that you’ve dedicated enough time to the easy questions and the ones you know how to solve, preventing unnecessary point loss. At the same time, you still set aside some time to attempt the more challenging questions.
- Read the questions carefully: Avoid careless mistakes by thoroughly understanding each question before answering.
- Use provided materials effectively: You will be given a periodic table and a formula sheet to use during the exam. If you’re unsure whether you remember the information about certain elements or formulas correctly, take the time to check and compare with the provided materials. This ensures accuracy and helps you avoid unnecessary mistakes.

Tips for the Free Response Section
The FRQ section consists of 7 questions and can be time-pressured. Here are some tips from the College Board:
- Read the questions and allocate time wisely: Before starting the test, take some time to read through all the questions from start to finish to allocate your time effectively. You should spend more time on difficult or multi-step questions. While reading, underline or mark important keywords to help you navigate the questions more easily.
- Present your answers clearly: When answering questions, ensure that your responses are clear and aligned with the requirements of the question. For example, if the answer includes multiple choices such as “increase, decrease, or remain unchanged,” make sure to explicitly state one of these options in your response.
- Write in detail and be thorough: Avoid giving overly brief answers. Instead, explain why you chose a particular answer and ensure that all solution steps are clearly written. In free-response sections, partial credit is often awarded for showing your work, so provide detailed explanations to maximize your score.
- Use correct terminology, symbols, and units: Use precise scientific language when answering questions, and avoid using vague terms like “it” to refer to a chemical substance. Additionally, ensure that all units in your calculations are correct. If no specific unit is required, use the most appropriate unit for the given context.
- Double-check your calculations: If you finish early, use the remaining time to review your calculations and answers. Carefully check your work for errors in calculations, reasoning, or presentation to ensure you achieve the best possible score.
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3. Free Study Resources for AP Chemistry
Resources from College Board
- AP Chemistry Course and Exam Description
- AP Chemistry Formula Sheet
- AP Classroom Learning Materials
- College Board’s AP Chemistry YouTube Lectures
- Question-Type-Specific Exam Guides
Comprehensive AP Chemistry Resources
- Khan Academy’s AP Chemistry Course
- Knowt’s AP Chemistry Hub
- Most Difficult Concepts on the AP Chemistry Exam
- Chemmy Bear: Chemistry experiments, guides, and study materials
Practice Exams
- College Board’s 2019 Practice Exam
- College Board’s 2018 Practice Exam
- College Board’s 2017 Practice Exam
- College Board’s 2018 Practice Exam
- Free-Response Questions from 2014-2024
Useful Online Tools and Apps
- Tyler Dewitt: Practice problems, concept explanations, and FRQs
- Crash Course Chemistry: Easy-to-understand chemistry concepts with visuals
- AP Review Platforms: Knowt, Quizlet, Fiveable.
4. Aralia's AP Chemistry Preparation Class

AP Chemistry
Are you ready to tackle the challenge of AP Chemistry? With the right preparation course, you can excel in your studies and gain valuable insight into this complex yet fascinating discipline. This course will provide you with the necessary information, tips, and tricks to help you succeed. From understanding the fundamental scientific concepts to mastering chemical experiments, our comprehensive course will equip you with everything you need to ace AP Chemistry.