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Unit 22. Atoms, Elements and Compounds

2. Atoms, Elements and Compounds

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Lesson 1Cambridge O Level Chemistry 5070 Notes — 2.1 Elements, Compounds and Mixtures5 pointsLesson 22.2 Atomic Structure and the Periodic Table9 pointsLesson 32.3 Isotopes8 pointsLesson 42.4 Ions and Ionic Bonds9 pointsLesson 52.5 Simple Molecules and Covalent Bonds9 pointsLesson 62.6 Giant Covalent Structures10 pointsLesson 7Cambridge O Level Chemistry 5070 Notes — 2.7 Metallic Bonding5 points