Physical Chemistry
Calculations
1.21 moles and formulae Updated December 2019
1.22 concentrations and solutions Updated December 2019
1.23 Gas Calculations Updated December 2019
1.24 calculations and chemical reactions Updated December 2019
1.25 titrations Updated November 2018
Atomic Structure
2.11 atomic structure and mass spectrometry New April 2018
2.12 electronic structure Updated April 2018
2.13 ionisation energies Updated January 2022
Bonding
2.20 introduction to bonding Updated November 2018
2.21 ionic bonding Updated November 2018
2.22 covalent bonding Updated November 2018
2.23 metallic bonding Updated November 2018
2.24 shapes of molecules Updated December 2019
2.25 intermediate bonding Updated February 2024
2.26 intermolecular bonding Updated February 2024
2.27 structure of solid crystals New April 2018
Energetics
3.11 introduction enthalpy change New April 2015
3.12 Hesses law Updated April 2020
3.13 calorimetry Updated March 2019
3.14 bond enthalpies Updated March 2019
3.15 Born Haber Cycle Updated November 2018
3.16 Entropy and Gibbs Energy Updated November 2018
3.17 Enthalpies of Solution Updated November 2018
Kinetics
4.1 Reaction kinetics Updated December 2019
Equilibria
4.2. equilibria Updated November 2018
Acid -base equilibria
4.30 acid bases and salts Updated December 2019
4.35 acid base equilibria New April 2018
Redox
4.40 redox New April 2018
4.45 electrolysis New April 2018
Redox Equilibria
4.50 redox equilibria Updated November 2018
Inorganic Chemistry
Periodicity
5.1. periodicity Updated December 2019
Group 2
5.2. group 2 Updated February 2024
Group 7: The halogens
5.3. group 7 Updated February 2024
Metal Extraction
5.4. metal extraction New April 2018
Transition Metals
5.51 Introduction to transition metals New April 2018
5.52 complex ions Updated February 2019
5.53 colour in complex ions New January 2022
5.54 chemistry V Mn Cu Co Cr Ag Updated February 2021
5.55 Catalysis by transition metals New April 2018
5.56 reactions of aqueous transition metal ions Updated February 2019
Organic Chemistry
6.1. organic naming Updated December 2019
6.1.5. isomerism Updated December 2019
6.2. alkanes Updated February 2024
6.3. alkenes Updated November 2018
6.4. halogenoalkanes Updated November 2018
6.5. alcohols Updated December 2019
6.12. polymers new April 2018
Reactions of the C=O bond
6.6. aldehydes and ketones Updated January 2022
6.7. carboxylic acids and esters Updated January 2022
6.8. acyl chlorides and acid anhydrides Updated January 2022
Benzene
6.9. benzene Updated January 2022
6.95 Phenol new April 2018
Amines, amino acids, polymers
6.10. Amines Updated November 2018
6.10.5 amides Updated December 2019
6.11. amino acids proteins and DNA Updated December 2019
6.12. polymers Updated April 2020
Spectroscopy
6.13 analytical techniques Updated December 2019
organic problem solving New March 2021
Synthetic Routes
6.14 organic synthesis new April 2018