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Revision notes for Chemistry O Level

Revision notes for Chemistry O Level TABLE OF CONTENTS 3 CHAPTER 1 The Particulate Nature of Matter4 CHAPTER 2 Experimental Techniques5 CHAPTER 3 Atoms, Elements and Compounds7 CHAPTER 4 Stoichiometry8 CHAPTER 5 Electricity and Chemistry9 CHAPTER 6 Chemical Energetics10 CHAPTER 7 Chemical Reactions12 CHAPTER 8 Acids, Bases and Salts 14 CHAPTER 9 The Periodic Table 15 CHAPTER 10 Metals 16 CHAPTER 11 Air and Water18 CHAPTER 12 Sulfur18 CHAPTER 13 Carbonates19 CHAPTER 14 Organic ChemistryPAGE 3 OF 22 PARTICULATE NATURE OF Kinetic Particle Theory When a solid is heated, particles vibrate faster about afixed point causing particles to move further apart andso solid expands When particles gain sufficient energy to overcomestrong forces of attraction, they move out of their fixedposition and can slide over each other in a continuousrandom motion solid has melted.

molten/aqueous Ions can move Usually soluble in water Not required . 3.4 Molecules and Covalent Bonds When atoms share ̅s to obtain a noble gas electron. structure, covalent bonding arises. Covalent bonding takes place between non-metals only. SINGLE BOND DOUBLE BOND TRIPLE BOND. 2 ̅s shared (1 from each atom) 4 ̅s shared (2 from each

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