Lessons
Chemistry · 14 topics · 28 lessons
Kinetic particle theory, properties of solids, liquids and gases, changes of state, heating and cooling curves, diffusion and the effect of relative molecular mass.
Solids, Liquids and Gases
Properties of solids, liquids and gases · The particle model — separation, arrangement and motion · Changes of state · Temperature, pressure and gas volume · Heating and cooling curves
Diffusion and Gas Behaviour
Diffusion · Relative molecular mass & rate of diffusion
Elements, compounds and mixtures, atomic structure, isotopes, ionic bonding, covalent bonding, giant covalent structures, metallic bonding and their properties.
Elements, Compounds and Atomic Structure
Elements, compounds and mixtures · Atomic structure and the Periodic Table · Isotopes and nuclide notation · Relative atomic mass from isotopic abundances
Bonding and Structure
Ions and ionic bonds · Simple molecules and covalent bonds · Giant covalent structures · Metallic bonding
Writing and balancing equations, relative masses, the mole concept, Avogadro constant, molar gas volume, concentration calculations, empirical and molecular formulae, percentage yield and purity.
Formulae and Equations
Word equations and balanced symbol equations · Formulae of ionic compounds · Relative atomic mass and relative molecular mass · Reacting masses
The Mole and Calculations
The mole and Avogadro constant · Molar gas volume calculations · Concentration of solutions · Titration calculations · Empirical and molecular formulae · Percentage yield and purity
Electrolysis principles, electrode products from molten and aqueous solutions, ionic half-equations, electroplating and hydrogen-oxygen fuel cells.
Exothermic and endothermic reactions, energy profile diagrams, activation energy, catalysts, bond energies and enthalpy calculations.
Physical and chemical changes, factors affecting rate (concentration, temperature, surface area, catalysts), collision theory, measuring rate and interpreting rate curves.
Reversible reactions, dynamic equilibrium, Le Chatelier's principle, the Haber process and the Contact process.
Oxidation and reduction in terms of oxygen, hydrogen and electron transfer, identifying redox in equations, oxidising and reducing agents, oxidation numbers.
Characteristic properties of acids and bases, indicators and pH scale, strong and weak acids, neutralisation, classification of oxides, preparation of soluble and insoluble salts.
Properties of Acids and Bases
Acids and Their Reactions · Bases, Alkalis & Neutralisation · Indicators and the pH Scale · Strong vs Weak Acids
Oxides and Preparation of Salts
Classification of Oxides · Making Soluble Salts · Making Insoluble Salts by Precipitation · Solubility Rules & Hydrated Salts
Arrangement of the Periodic Table, trends across periods and down groups, Group I alkali metals, Group VII halogens, displacement reactions, transition elements and noble gases.
Physical and chemical properties of metals, uses and alloys, the reactivity series, displacement reactions, corrosion and rust prevention, extraction of metals from ores.
Testing for water, water treatment, fertilisers and eutrophication, composition of air, air pollutants, greenhouse effect, climate change and carbon capture.
Homologous series, functional groups, naming organic compounds, structural isomers, crude oil and fractional distillation, cracking, alkanes, alkenes, alcohols, carboxylic acids, esters and polymers.
Naming and Hydrocarbons
What is Organic Chemistry? · Naming Organic Compounds · Isomers · Crude Oil & Fractional Distillation · Cracking · Alkanes · Alkenes
Alcohols, Acids and Polymers
Alcohols · Carboxylic Acids · Esters · Addition Polymers · Condensation Polymers and Environmental Impact
Experimental design and apparatus, acid-base titrations, paper chromatography, separation and purification techniques, identification of ions and gases using chemical tests.