Chemistry (1CH0)

9 sections available · 50 chapters available

Free Chemistry (1CH0) study notes for Pearson Edexcel GCSE (9-1) students. Each chapter breaks down a key concept with examples and practice prompts you can turn into AI drills in the thinka app.

Topic 1: Key concepts in chemistry

  • Practical skills and core practicals

  • Formulae, equations and hazards

  • Atomic structure and isotopes

  • The periodic table and electronic configuration

  • Ionic bonding

  • Covalent bonding

  • Types of substance and their properties

  • Calculations involving masses and moles

Topic 2: States of matter and mixtures

  • States of matter and changes of state

  • Pure substances and mixtures

  • Separation techniques

  • Chromatography and Rf values

  • Potable water and distillation of sea water

Topic 3: Chemical changes

  • Acids, alkalis and the pH scale

  • Reactions of acids and salt preparation

  • Titrations and neutralisation

  • Solubility rules and precipitation

  • Strong and weak acids (Higher)

  • Electrolytic processes

Topic 4: Extracting metals and equilibria

  • Reactivity series and displacement

  • Oxidation, reduction and redox

  • Extracting metals from ores

  • Recycling and life-cycle assessment

  • Reversible reactions and equilibria

Topic 5: Separate chemistry 1

  • Transition metals, alloys and corrosion

  • Percentage yield and atom economy

  • Concentration and titration calculations (Higher)

  • Molar volume and gas calculations (Higher)

  • Haber process, fertilisers and dynamic equilibria

  • Chemical cells and fuel cells

Topic 6: Groups in the periodic table

  • Group 1: alkali metals

  • Group 7: halogens

  • Halogen displacement and redox (Higher)

  • Group 0: noble gases

Topic 7: Rates of reaction and energy changes

  • Measuring rates of reaction

  • Collision theory and factors affecting rate

  • Catalysts and enzymes

  • Exothermic and endothermic changes

  • Reaction profiles and activation energy

  • Bond energy calculations (Higher)

Topic 8: Fuels and Earth science

  • Hydrocarbons and crude oil

  • Fractional distillation and cracking

  • Combustion, fuels and pollutants

  • The Earth's early atmosphere

  • Today's atmosphere and greenhouse gases

Topic 9: Separate chemistry 2

  • Qualitative analysis: tests for ions

  • Alkanes and alkenes

  • Polymers

  • Alcohols and carboxylic acids

  • Nanoparticles and bulk materials

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