Noble Gases (CIE IGCSE Chemistry: Co-ordinated Sciences (Double Award))

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Alexandra Brennan

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Noble gases properties & electronic configuration

  • The noble gases are in Group 8 (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 location of the noble gases 

The periodic table showing the location of the noble gasesNoble 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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Alexandra Brennan

Author: Alexandra Brennan

Expertise: Chemistry

Alex studied Biochemistry at Newcastle University before embarking upon a career in teaching. With nearly 10 years of teaching experience, Alex has had several roles including Chemistry/Science Teacher, Head of Science and Examiner for AQA and Edexcel. Alex’s passion for creating engaging content that enables students to succeed in exams drove her to pursue a career outside of the classroom at SME.