Cambridge Checkpoint Sec 1Year's 7, 8 and 9 Chemistry - Topical1. Acids and bases2. Atoms, elements and Compounds 3. Chemical reactions (word equations) 4. Earth (rocks, soils, fossils) 5. Making salts 6. Metals and non – metals 7. Mixtures and separation 8. Periodic table and trends 9. Rates of reactions 10. Reactivity series 11. States of matterChemistry - Topical1. Acids and bases 2. Atoms, elements and Compounds 3. Chemical bonding and Structures 4. Chemical reactions (word equations) 5. Earth (rocks, soils, fossils)6. Energy changes 7. Making salts8. Metals and non – metals 9. Mixtures and separation 10. Periodic table and trends11. Rates of reactions 12. Reactivity series 13. States of matter