2. Foundations in chemistry2.1 Atoms, compounds, molecules and equations0/02.2 Amount of substance0/02.3 Acid–base and redox reactions0/02.4 Electrons, bonding and structure0/02. Foundations in chemistry2.1 Atoms, compounds, molecules and equations0/02.2 Amount of substance0/02.3 Acid–base and redox reactions0/02.4 Electrons, bonding and structure0/03. Periodic table and energyPremium3.1 The periodic table and periodicity0/03.2 Group 2 and the halogens0/03.3 Qualitative analysis0/03.4 Enthalpy changes0/03.5 Reaction rates and equilibrium (qualitative)0/03. Periodic table and energyPremium3.1 The periodic table and periodicity0/03.2 Group 2 and the halogens0/03.3 Qualitative analysis0/03.4 Enthalpy changes0/03.5 Reaction rates and equilibrium (qualitative)0/04. Core organic chemistryPremium4.1 Basic concepts0/04.2 Hydrocarbons0/04.3 Alcohols and haloalkanes0/04.4 Organic synthesis0/04.5 Analytical techniques (IR and MS)0/04. Core organic chemistryPremium4.1 Basic concepts0/04.2 Hydrocarbons0/04.3 Alcohols and haloalkanes0/04.4 Organic synthesis0/04.5 Analytical techniques (IR and MS)0/05. Physical chemistry and transition elementsPremium5.4 Redox and electrode potentials0/05.5 Transition elements0/05. Physical chemistry and transition elementsPremium5.4 Redox and electrode potentials0/05.5 Transition elements0/06. Organic chemistry and analysisPremium6.1 Aromatic compounds0/06.2 Carbonyl compounds0/06.3 Carboxylic acids and esters0/06.4 Nitrogen compounds0/06.5 Polymers0/06.6 Organic synthesis0/06.7 Chromatography and spectroscopy (NMR)0/06. Organic chemistry and analysisPremium6.1 Aromatic compounds0/06.2 Carbonyl compounds0/06.3 Carboxylic acids and esters0/06.4 Nitrogen compounds0/06.5 Polymers0/06.6 Organic synthesis0/06.7 Chromatography and spectroscopy (NMR)0/0