Over my 2 years of studying A-level chemistry, and as a current medical student, I have collected and organised 300+ anki flashcards containing precise detail of each and every topic in the subject and all the points you need in an exam-style answer. Link to the google drive with the anki decks: https://drive.google.com/drive/folders/1OFk_EJu62e1Dcvwgv2OZ_p3UfxClKEnW?usp=sharing