Edexcel AS Chemistry Unit 2 by Edwin Killick
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1. 2.1 Shapes of molecules and ions
1.1. Predicting the shapes of molecules
1.2. Shapes of simple organic molecules
1.3. Carbon
2. 2.2 Intermediate bonding and bond polarity
2.1. Electronegativity
2.2. Intermediate bonding
2.3. Polarity of bonds and molecules
3. 2.3 Intermolecular forces
3.1. Forces between molecules
3.2. Trends in physical properties
3.3. Solubility
4. 2.4 Redox
4.1. Oxidation numbers
4.2. Redox: loss and gain of electrons
4.3. Changes in oxidation number
4.4. Ionic half equations
5. 2.5 Group 2 and 7 elements
5.1. Alkaline earth metals
5.2. Flame tests of group 2 metals
5.3. Group 2 oxides and hydroxides
5.4. Volumetric analysis
5.5. Group 1 and 2 nitrates and carbonates
5.6. Group 7: the halogens
5.7. Iodine/thiosulfate titrations
5.8. Reactions of the halogens and halides
5.9. Halogens and the water supply
6. 2.6 Kinetics
6.1. The rate of reaction
6.1.1. Surface area
6.1.2. Catalysts
6.1.3. Temperature
6.2. Measuring reaction rates
6.3. Activation energy
7. 2.7 Chemical equilibria
7.1. Dynamic equilibrium
7.2. Predicting changes in the position of equilibrium
8. 2.8 Alcohols and halogenoalkanes
8.1. The alcohols
8.2. The halogenoalkanes
8.2.1. Uses
8.2.2. Reactions
8.2.3. Identifying and preparing halogenoalkanes