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Matter and materials


After this lesson, you should be able to:

  • Identify elements and compounds in chemical reactions
  • Describe a molecule as a group of atoms bonded covalently
  • Represent molecules using a molecular formula or an empirical formula for covalent network structures
  • Give the formula of a molecule from a diagram of the molecule and vice-versa
  • Give examples of molecules, ionic substances and metals
  • Recognize molecules from models
  • Draw diagrams to represent molecules

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