AP︎ Chemistry at CollegeBoard: Learn all about the course and exam.
https://apstudents.collegeboard.org/courses/ap-chemistry
AP Chemistry Course and Exam Description
https://apcentral.collegeboard.org/pdf/ap-chemistry-course-and-exam-description.pdf
AP Classroom
https://myap.collegeboard.org/
AP®︎ Chemistry at Khan Academy:
https://www.khanacademy.org/science/chemistry/ap-chemistry
Chemistry simulations:
https://phet.colorado.edu/en/simulations/category/chemistry