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Cambridge IGCSE chemistry

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  1. States of matter
    States of matter
    3 Topics
  2. Changing state
    5 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
    4 Topics
  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
Cambridge IGCSE chemistry Formulas of compounds Naming compounds
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Lesson 11, Topic 2
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Naming compounds

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Compounds with 2 different atoms

  • Metal and non-metal: the name of the metal comes first and the non-metal name changes to “ide”. For example:

  •     Chlorine + sodium → sodium chloride

  •     Oxygen + magnesium → hydrogen bromide   

  • Two non-metals, one of which is hydrogen: the hydrogen comes first

  •     Bromine + hydrogen → hydrogen bromide

  •  Other combinations of non-metals: if the element has a lower group number or is lower in a particular group, the lower element comes first, e.g. nitrogen dioxide , sulfur dioxide

  • Some compounds are known by their common names e.g. water

Compounds with particular groups of atoms