21 September 2021

Chemistry - handwritten notes (Coordinated Sciences 0654)

Here are handwritten Chemistry notes for the IGCSE CIE 2022 syllabus (Coordinated Sciences). They can be downloaded in full or by chapter. 

You can download each chapter by following the link on the right upper corner of each pdf file. I've been creating these notes to tutor students preparing for the exam, and will upload more chapters as I continue completing them.

Be sure to let me know if there is anything you need to aid your studies!

Most of the diagrams/graphics can be credited to Save My Exams. I do not own these graphics.

Some colored markings:

  • red: questions you can answer to test your 
  • orange: examples you can try out yourself!

Other notes:

Biology - handwritten notes (Coordinated Sciences 0654)

Physics - handwritten notes (Coordinated Sciences 0654)

[Download] Full PDF

By chapter:

C1. The Particulate Nature of Matter

  • states of matter: solid, liquid, gas
  • boiling/melting points and heating/cooling curves
  • kinetic theory, diffusion

C2. Experimental Techniques

C2.1. Experimental techniques
C2.2. Criteria of purity: mixtures, paper chromatography, retention factor (Rf value)
C2.3. Methods of purification
  • mixture of solids, mixture of liquids
  • filtration, crystallisation
  • simple distillation, fractional distillation

C3. Atoms, molecules and compounds

C3.1. Physical + chemical changes
C3.2. Elements, compounds, mixtures
C3.3. Atomic structure + Periodic Table: electron shells, nucleon and atomic number, isotopes
C3.4. Ions and ionic bonds
  • electrostatic force of attraction between oppositely-charged ions
  • lattice structure
C3.5 Molecules and covalent bonds: between non-metallic elements, weak intermolecular forces
C3.6. Macromolecules: allotropes of Carbon (diamond, graphite), silicion (IV) oxide

C4. Stoichiometry

C4.1. Stoichiometry
  • types of chemical formulae: structural, molecular, empirical
  • deducing formulae of ionic compounds
  • balancing equations
  • ionic equations
C4.2. The mole
  • Avogadro's constant
  • molar volume, calculating % composition

C5. Electricity and Chemistry (this was the hardest topic for me when I studied it 😶‍🌫️)
  • electrolysis
    • electrodes: anode, cathode
    • eletrolyte
    • determining the gas produced
  • electroplating
  • industrial applications: manufacture of Cl2, H2, NaOH, Al from pure Al2O3 in molten cryolite

C6. Changes in Chemical Reactions

  • exothermic and endothermic reactions
  • H = enthalpy

C7. Chemical Reactions

C7.1. Rate (speed) of reaction
  • setting up equipment
  • factors: temperature, concentration, surface area, + catalyst
  • explosive combustion
C7.2. Redox: oxidation states, oxidizing/reducing agents

C8. Acids, bases and salts

C8.1. Properties of acids and bases: 
  • pH, litmus, methyl orange indicator
  • reactions:
    • neutralization: acid + base --> salt + water:
      • acid + metal oxide
      • acid + metal hydroxide
      • acid + metal carbonate
    • acid + metal --> salt + hydrogen
    • alkalis + ammonium salts --> salt + water + ammonia
  • pH and soil acidity
C8.2. Types of oxides: acidic, basic, neutral, amphoteric
C8.3. Preparation of salts: 
  • preparing soluble and insoluble salts
  • methods: filtration, crystallisation, titration
C8.4. Identification of ions and gases: anions, cations, flame tests, gases

C9. The Periodic Table

C9.1. The periodic table: group = valence electrons; period = number of electron shells
C9.2. Periodic trends 
C9.3. Group properties: group I metals, group VII halogens
C9.4. Transition metals
C9.5. Noble gases

C10. Metals

C10.1. Properties of metals: pure metals, alloys
C10.2. Reactivity series
C10.3. Extraction of metals from ores: Fe from hematite
C10.4. Uses of metals: Al, steel

C11. Air and Water

C11.1. Water
  • chemical tests for water: cobalt (II) chloride, anhydrous copper (II) sulphate
  • water treatment for impurities: filtration + chlorination
C11.2. Air
  • pollutants (CO, SO2, NOx)
  • rusting, barrier methods, galvanising/ sacrificial protection
C11.3. Greenhouse gases CO2, CH4
C11.4. Nitrogen & Fertilisers: displacement of NH3, the Haber process (manufacture of ammonia)

C12-13. Sulfurs and Carbonates

C12. Sulfur: sources, uses, the Contact Process (manufacture of sulfuric acid H2SO4)
C13. Carbonates: manufacture of lime, uses of CaCO3

C14. Organic Chemistry

C14.1 Names of compounds
C14.2. Fuels: fractional distillation, properties of fractions (viscosity, color, boiling/melting point, volatility)
C14.3. Homologous series
C14.4. Alkanes
C14.5. Alkenes: catalytic cracking
C14.6. Alcohols
C14.7. Polymers
C14.8. Synthetic polymers: addition polymerisation, condensation polymerisation, nylon

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