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Chemistry (1CH0)
12 sections available · 50 chapters available
Free Chemistry (1CH0) study notes for Pearson Edexcel GCSE (9-1) students. Each chapter covers a key topic with examples and practice prompts you can continue inside the thinka app.
Paper 1
Paper 2
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
Working scientifically
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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