Junaidali025

Detailed and comprehensive notes on unit 3.2.6 (metal-aqua ions) of AQA A level chemistry. Covers: reactions with hydroxide ions, ammonia and carbonate ions (with explanations and equations), and a summary table of observations.

Detailed and comprehensive notes on unit 3.2.5 (transition metals) of AQA A level chemistry. Covers: transition metal properties/trends, complex ions, substitution reactions, coloured ions, variable oxidation states and catalysts. Includes key equations and observations to learn.

Detailed and comprehensive notes on units 3.2.5 and unit 3.2.6 (transition metals and metal-aqua ions) for AQA A level chemistry. Covers: transition metal properties, transition metal complexes, substitution reactions, coloured ions, variable oxidation states, catalysts and metal-aqua ion theory (reactions, observations). Includes reactions and key facts to learn.

Detailed and comprehensive notes on unit 3.2.4 (period 3 and oxides) for AQA A level chemistry. Covers: period 3 trends, reactions with water, reactions with oxygen and acid-base reactions. Includes observations and key facts to learn.

Detailed and comprehensive notes on unit 3.1.12 (acids and bases) for AQA A level chemistry. Covers: acids, strong acid calculations, pH, ionisation of water (Kw), bases, strong base calculations, reactions of strong acids and bases, acid dissociation constant (Ka), pKa, reactions of weak acids and bases, buffers and buffer calculations. Includes example calculations for all possible types of pH calculation.

Detailed and comprehensive notes on unit 3.1.8 (thermodynamics) for AQA A level chemistry. Covers: enthalpy change definitions, born haber cycles, the perfect ionic model, entropy, Gibb’s free energy, enthalpies of solution and feasibility.

Detailed and comprehensive notes on group 7 (unit 3.2.3 of AQA AS level chemistry). Covers group 7 properties and trends, halogen displacement reactions, reactions with sulfuric acid, tests for group 7 ions and uses of chlorine.

Detailed and comprehensive notes on group 2 (unit 3.2.2 of AQA AS level chemistry). Covers group 2 trends, reactions with water, compound solubility and uses of group 2 elements.

Summary page on periodicity (unit 3.2.1 of AQA AS level chemistry). Covers: periodic table arrangment and trends in atomic radius, electronegativity and first ionisation energy across periods, with explanations.

Summary page for group 7 (AQA AS level chemistry). Includes trends, halogen displacement reactions and reactions with sulfuric acid (with equations and observations).