TomWong Notes

Detailed notes on Unit 8 - Energetics I covering all the specification points, and allowed me to achieve an A* in chemistry. Covers enthalpy changes, thermochemical equations, Hess's law, Hess cycles, example calculations, standard enthalpy of formation, reaction, combustion, neutralisation and atomisation, bond enthalpy calculations with examples and enthalpy titrations.

Detailed notes on Unit 7 - Modern Analytical Techniques I covering all the specification points, and allowed me to achieve an A* in chemistry. Covers mass spectrometry, fragmentation of the molecular ion, reading mass spectra, infrared absorption, infrared spectroscopy and reading infrared spectrums.

Detailed notes on Unit 6 - Organic Chemistry I covering all specifications points, and allowed me to achieve an A*. Covers bonding, types of formula, homologous series, naming organic compounds, isomerism, type of reactions, alkanes, alkenes, free radical substitution, electrophilic addition, halogenoalkanes, nucleophilic substitution, uses of halogenoalkanes, oxidation and combustion of alcohols.

Detailed notes on Unit 5 - Formulae, Equations and Amounts of Substance covering all the specification points. This allowed me to achieve an A* in chemistry. Covers formulae, definitions, empirical formula, calculations of molar mass, ionic compounds and equations, chemical equations and balancing, mole calculations, conversions, gas calculations, mass to mass calculations, mass to volume calculations, Avogadro's calculations, percentage yield calculations, atom economy, stoichiometry, limiting ...

Detailed notes on Unit 4 - Inorganic Chemistry and the Periodic Table. Covers trends in group 2, reactions of group 2 metals, oxides and hydroxides, solubility of group 2 hydroxides and sulfates, thermal stability of group 1 and 2 nitrates and carbonates and flame tests. Also includes physical properties of halogens, trends in group 7, bonding in halogen compounds, reactions of halogens, tests for halogens, halide salts and analysis of inorganic compounds.

Unit 3 - Redox I detailed notes covering all the specification points. These notes allowed me to achieve an A* in chemistry. Includes relevant equations and steps to write and understand half-equations.

Highly detailed notes on Unit 2 - Bonding and Structure covering all the specification points. This allowed me to achieve an A* in chemistry. Covers the different types of bonding and properties of each type. Explains orbitals, shapes of molecules and ions, and polarity in detail. Also covers types of intermolecular forces and structures of molecules including properties of each.

Highly detailed notes on Unit 1 - Atomic Structure and the Periodic Table Edexcel A-Level Chemistry. Covers all the specification points of unit 1. Contains all the information needed for this topic and allowed me to achieve an A* in chemistry. Covers the definitions needed, mass spectrometry, analysis of mass spectra, ionisation energy, electron configuration, the periodic table, groups, periods and blocks, shielding, nuclear charge, periodicity, valency, atomic radius and electron affinity.