The AP Chemistry exam is a standardized test administered by the College Board for high school students. It assesses students' understanding of college-level chemistry concepts, including topics like atomic structure, chemical reactions, and thermodynamics. The exam consists of multiple-choice questions and free-response questions, allowing students to demonstrate their knowledge and problem-solving skills. Students who perform well on the AP Chemistry exam may earn college credit or advanced placement in college chemistry courses. The exam is typically offered once a year in May, and preparation often includes coursework, laboratory experiments, and review of key concepts and problem-solving techniques.