CIE IGCSE Chemistry

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8.2.5 Noble Gases

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Noble Gases Properties & Electronic Configuration

The Noble Gases

  • The noble gases are in Group VIII (or Group 0); they are non-metals and have very low melting and boiling points
  • They are all monoatomic, colourless gases
  • The Group 0 elements all have full outer shells
  • This electronic configuration is extremely stable so these elements are unreactive and are inert
  • Electronic configurations of the noble gases:
    • He: 2
    • Ne: 2,8
    • Ar: 2,8,8
    • Kr: 2,8,18,8
    • Xe: 2,8,18,18,8

    The-Periodic-Table-of-noble-gases, IGCSE & GCSE Chemistry revision notesNoble gases are inert (unreactive) as they have a full outer shell of electrons so do not easily lose or gain electrons

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