You rarely have to memorize any equations in AP Chemistry, only know how to use them, manipulate them to solve for the unknown, and what each abbreviation stands for.
Click on the picture of the equation sheet to take you to your own copy that you will need for the entire year. You will want to keep this handy when completing practice problems!
Periodic Table
Poly Atomic Ion Chart
Electronegativity Chart
Stoichiometry Road Map
Solubility rules and other stuff that you should know for the AP Chemistry test
General hints for lab essay questions
Common Chemical Equations
Strategies for free response questions
This website has lots of practice tests that you can take for more practice
https://www.varsitytutors.com/ap_chemistry-practice-tests#practice-tests-section