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Cambridge IGCSE chemistry

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  1. States of matter
    States of matter
    3 Topics
  2. Changing state
    4 Topics
  3. Diffusion
    4 Topics
  4. Atoms, elements and compounds
    Elements, compounds and mixtures
  5. Atomic structure and the Periodic Table
  6. Isotopes
  7. Ions and ionic bonds
  8. Simple molecules and covalent bonds
  9. Giant covalent structures
  10. Metallic bonding
  11. Stoichiometry
    Formulas of compounds
    3 Topics
    |
    1 Quiz
  12. Chemical equations
    5 Topics
  13. Relative atomic and molecular mass
    2 Topics
  14. Moles
    2 Topics
  15. Calculating masses in reactions
    3 Topics
  16. Percentage yield and percentage purity
    2 Topics
  17. Empirical and molecular formulae
    2 Topics
  18. Moles and concentration
    2 Topics
  19. Calculating gas volumes

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Cambridge IGCSE chemistry States of matter The three states of matter
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Lesson 1, Topic 1
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The three states of matter

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  • There are three states of matter – solid, liquid and gas

  • All matter is made up of particles. These particles can be atoms, molecules or ions

  • The arrangement of these particles determines the structure and property of each state

  • The state of matter depends on how strong the forces of attraction are between the particles of the material

  • How strong the forces are depends on three things:

The material

The temperature

The pressure 

  • The kinetic theory is used to explain the arrangement and motion of particles in different states of matter

  • State symbols are often used in chemical equations 

  • (s) for solid

  • (l) for liquid

  • (g) for gas