Unit 1 Chemical changes and Structure Summary Notes TOPIC 1 SUMMART NOTES REACTION RATES [pdf 279KB] TOPIC 2 ATOMIC STRUCTURE [pdf 328KB] TOPIC 3 COVALENT BONDING SUMMARY NOTES [pdf 161KB] TOPIC 4 IONIC COMPOUNDS SUMMARY NOTES [pdf 354KB] TOPIC 5 CHEMICAL FORMULA SUMMARY NOTES [pdf 337KB] TOPIC 6 MOLE CALCULATIONS SUMMARY NOTES [pdf 327KB] TOPIC 7 PERCENTAGE COMPOSITION SUMMARY NOTES [pdf 92KB] TOPIC 8 ACIDS AND BASESsummary Notes [pdf 157KB] TOPIC 9 NEUTRALISATION REACTIONS SUMMARY NOTES [pdf 359KB] N5 Glossary Unit 1 [pdf 130KB] Titration Calculation Worked Example [pdf 304KB]